All Tools
635 toolsFinancial
64 toolsCalculate how your investment or savings grows over time with the power of compounding.
Calculate simple interest, total amount, and interest earned using principal, rate, and time.
Calculate return on investment, net profit, and annualised ROI for any investment.
Calculate Compound Annual Growth Rate (CAGR) for investments, revenue, or any metric over time.
Calculate monthly EMI, total interest, and total payment for any loan amount, rate, and tenure.
Find out how long it will take to pay off your credit card balance and how much interest you will pay.
Calculate the break-even point in units and revenue for your product or business.
Calculate gross profit, net profit margin, markup percentage, and revenue needed for a target margin.
Calculate the future value of a lump sum or regular investment with compound interest.
Calculate the present value of a future lump sum or stream of payments using a discount rate.
Calculate the sale price, amount saved, and percentage off for any discount. Works for retail, coupons, and bulk pricing.
Calculate how much your savings will grow over time with regular contributions and compound interest.
Calculate the future value of an investment with one-time or recurring contributions, and see the effect of different return rates.
Calculate your monthly mortgage or loan payment and see the full amortization schedule — how much goes to principal vs interest each month.
Allocate your monthly income using the 50/30/20 budgeting rule — split between needs, wants, and savings.
Calculate your monthly car payment, total interest, and total cost for any auto loan.
Calculate selling price from cost and markup percentage, or find the markup percentage between cost and selling price.
Calculate sales commission earnings, total payout, and take-home pay from a commission-based or mixed salary structure.
Calculate annual depreciation of an asset using straight-line or declining balance methods. Useful for accounting, tax, and business planning.
Calculate Net Present Value (NPV) of an investment with an initial cost and up to 5 years of projected cash flows.
Calculate how many years it takes to recover an initial investment from annual cash inflows.
Calculate the future value of money adjusted for inflation, or find the real value of a past amount in today's dollars.
Find out how many months it will take to reach your savings target given your current savings, monthly contribution, and interest rate.
Instantly estimate how long it takes an investment to double — or what rate you need to double in a target time — using the Rule of 72.
Calculate payment amounts, total repayment, and total interest for a business loan across monthly, weekly, or biweekly payment schedules.
Calculate your monthly student loan payment, total interest, and the impact of a grace period before repayment begins.
Determine how much equity you can borrow against your home, your monthly payment, and the total cost of a home equity loan.
Compare the total cost of leasing versus buying an asset. See which option costs less and when buying breaks even against leasing.
See how quickly you can pay off multiple debts using the avalanche (highest rate first) or snowball (smallest balance first) strategy, and how much interest you save.
Compare your current combined debt payments against a single consolidation loan to see monthly savings and total interest saved.
Calculate your front-end and back-end DTI ratios to understand your debt load and assess your likelihood of mortgage or loan approval.
Calculate the Internal Rate of Return (IRR), Net Present Value (NPV), and payback period for an investment with up to 6 years of cash flows.
Solve for any annuity variable — payment, present value, future value, term, or interest rate — using standard time-value-of-money formulas.
Project your retirement corpus based on monthly contributions, annual return, and inflation rate. See how much you'll have and what it's worth in today's money.
Calculate a bond's annual coupon payment, current yield, yield to maturity (YTM), and Macaulay duration from its face value, coupon rate, market price, and maturity.
Calculate the arithmetic mean and geometric mean (CAGR) of annual investment returns, plus best and worst year performance.
Project the future value of a lump-sum mutual fund investment with compound growth, and see year-by-year wealth accumulation.
Find out how much home you can afford based on your income, debts, down payment, and target debt-to-income ratio.
Compare your current mortgage against a refinanced loan. See monthly savings, break-even month, and total savings over the new term.
Calculate the true Annual Percentage Rate (APR) of a loan by factoring in origination fees, points, and other upfront costs beyond the stated interest rate.
Convert a nominal interest rate to the Effective Annual Rate (EAR) for any compounding frequency, and compare EAR across all compounding periods.
Solve for the missing variable in a loan: find the interest rate, monthly payment, or loan term given the other two, plus total interest paid.
Calculate the monthly payment on any fixed-rate loan, see total interest paid, and instantly check how a 1% rate increase changes your payment.
Calculate gross pay for hourly, salaried, or daily workers, including overtime, across weekly, biweekly, or monthly pay periods.
Calculate the bid-ask spread in dollar terms and percentage, find the midpoint price, and see the effective cost of a round-trip trade.
Calculate key profitability, liquidity, debt, or efficiency ratios from financial statement inputs, with benchmark interpretation for each ratio.
Calculate your layaway instalment amount, total fees, and total amount paid for any item under a layaway payment plan.
Work backward from a tax-inclusive total to find the pre-tax price and the exact tax amount for any sales tax rate.
Compare a dealer cash-back offer against a low-interest financing deal to see which saves more money over the loan term.
Calculate the minimum statutory notice period required by law for the US, UK, India, Canada, and Australia based on your employment type and years of service. Covers UK Employment Rights Act, Australian Fair Work Act, and Canadian Labour Code notice requirements.
Calculate statutory severance or redundancy pay for the US, UK, India, Canada, and Australia based on salary, years of service, and age. Covers UK statutory redundancy pay, Indian gratuity (Payment of Gratuity Act), and Australian NES redundancy scale.
Calculate the cash value of unused annual leave on termination or resignation. Enter your salary and unused leave days to find your payout entitlement across the US, UK, India, Canada, and Australia, including statutory leave entitlements by country.
Estimate your annual take-home pay after income tax and social contributions based on your country and gross salary. Results are estimates — consult a tax advisor for precise figures.
Estimate your take-home pay per pay period (monthly, weekly, or fortnightly) after income tax and social contributions. Covers US, UK, India, Canada, and Australia.
Estimate your monthly disability or income protection insurance premium based on income, benefit period, waiting period, and occupation risk class.
Estimate total closing costs when buying a property, including taxes, fees, and prepaid items, across the US, UK, India, Canada, and Australia.
Calculate total real estate agent commission, per-agent split, and net proceeds to the seller based on sale price, country, and commission rate.
Estimate annual property tax based on property value, type, and usage across the US, UK, India, Canada, and Australia.
Calculate total employer payroll cost including gross salary and all mandatory employer contributions such as social security, superannuation, pension, and payroll taxes.
Estimate the total cost of a university degree including tuition and living expenses across the US, UK, India, Canada, and Australia.
Estimate your annual solar savings, payback period, and 25-year return on a home solar installation. Country-specific electricity rates, incentives, and solar generation data included.
Compare the annual fuel cost of a petrol/gas car vs an electric vehicle. Calculate your savings from switching to an EV based on your driving habits and local energy prices.
Estimate capital gains tax on your cryptocurrency profits based on your country, holding period, and income level.
Estimate monthly and annual childcare costs by country, child age, care type, and hours per week — including applicable government subsidies and benefits.
Health & Body
23 toolsCalculate your Body Mass Index and find out which weight category you fall into.
Calculate your Basal Metabolic Rate (BMR) — the calories your body burns at complete rest.
Calculate your daily calorie needs to lose weight, maintain, or gain weight based on your stats and activity.
Estimate your body fat percentage using the US Navy method with waist, neck, and hip measurements.
Calculate your ideal body weight range using four leading medical formulas — Devine, Robinson, Miller, and Hamwi.
Calculate your recommended daily water intake based on your weight, activity level, and climate.
Calculate your maximum heart rate and target heart rate zones for fat burning, cardio, and peak performance.
Calculate your daily protein intake recommendation based on your weight, goal, and activity level.
Find the best times to wake up or go to sleep based on 90-minute sleep cycles to wake up feeling refreshed.
Find the best times to wake up based on sleep cycles so you feel refreshed, not groggy.
Calculate your estimated due date (EDD) and pregnancy milestones from your last menstrual period (LMP).
Estimate your VO2 max (maximal oxygen uptake) from a 1.5-mile run time or a submaximal step test. Assess your aerobic fitness level.
Estimate your 1RM (one repetition maximum) for any lift using weight and reps performed. Calculate training percentages for programming.
Calculate your running pace, finish time, or distance. Enter any two of the three values to find the third. Supports km and miles.
Calculate your waist-to-hip ratio (WHR) and assess your health risk category based on WHO guidelines. A key indicator of central obesity and metabolic risk.
Calculate your lean body mass (LBM) — your weight minus body fat. Used for setting protein targets, calorie needs, and tracking body composition progress.
Calculate your daily macronutrient targets (protein, carbs, fat) based on TDEE, goal, and preferred macro split. Supports weight loss, maintenance, and muscle gain.
Calculate recommended weight gain during pregnancy based on pre-pregnancy BMI and gestational week, following IOM guidelines.
Calculate your ovulation date and fertile window based on your last period and cycle length.
Predict your next period dates, cycle days, and PMS window based on your last period and cycle length.
Calculate your eating window, fasting window, and daily fasting schedule for 16:8, 18:6, 20:4, and other IF protocols.
Calculate the right SPF for your skin type, UV index, and activity. Find out how long you can stay in the sun safely.
Calculate your recommended daily vitamin D intake (IU and mcg) based on age, weight, sun exposure, and health goals.
Math & Science
68 toolsEvaluate mathematical expressions including trigonometry, logarithms, exponents, and more.
Quickly calculate percentages, percentage change, and percentage of a total.
Add, subtract, multiply, or divide two fractions and get the simplified result instantly.
Simplify ratios, find missing values, and scale ratios up or down.
Calculate mean, median, mode, range, and sum for up to 10 numbers.
Calculate population and sample standard deviation, variance, and coefficient of variation for a dataset.
Calculate single event probability, complementary probability, and odds for/against an event.
Solve any quadratic equation ax² + bx + c = 0 using the quadratic formula. Finds real and complex roots.
Check if a number is prime and find all prime factors. Also lists the nearest primes above and below.
Calculate the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two or three numbers.
Calculate the factorial of any non-negative integer. Also computes permutations (nPr) and combinations (nCr).
Calculate the area, perimeter, angles, and height of a triangle from three sides using Heron's formula.
Calculate the area, circumference, diameter, and arc length of a circle from radius, diameter, or circumference.
Calculate any side of a right triangle using the Pythagorean theorem. Solve for hypotenuse or either leg.
Calculate logarithms in any base — common (base 10), natural (base e), binary (base 2), or custom base.
Calculate any base raised to any power. Handles large exponents, fractional powers (roots), and negative exponents.
Solve a system of two linear equations with two unknowns using substitution or Cramer's rule.
Calculate the remainder of division (modulo operation). Supports positive and negative numbers and shows the full division breakdown.
Calculate area, perimeter, diagonal, and aspect ratio of a rectangle or square.
Calculate mean, median, mode, range, and variance for a set of numbers. Enter up to 20 values.
Identify and continue arithmetic and geometric sequences. Find the nth term and sum of the first n terms.
Convert between Roman numerals and Arabic (standard) numbers. Handles values from 1 to 3,999.
Calculate percentage increase or decrease between two values. Also computes percentage difference and what value X% of a number is.
Generate the Fibonacci sequence up to any term and check if a number belongs to the sequence.
Solve for speed, distance, or time using the fundamental relationship: Distance = Speed × Time.
Convert between HEX, RGB, HSL, and HSV color formats. Preview the color and get values for CSS, design, and development.
Add, subtract, and find the magnitude, dot product, and angle between 2D or 3D vectors.
Calculate the determinant, inverse, transpose, and eigenvalues of a 2×2 matrix.
Calculate voltage, current, resistance, or power using Ohm's Law. Enter any two values to find the other two instantly.
Calculate range, maximum height, time of flight, and velocity components for a projectile launched at any angle and speed. Assumes no air resistance.
Calculate kinetic energy (KE) from mass and velocity, or find mass or velocity from a known kinetic energy value.
Calculate work done, power output, force, distance, or time using physics formulas. W = F × d and P = W / t.
Calculate the period, frequency, and length of a simple pendulum. Find how pendulum length and gravity affect oscillation speed.
Calculate density, mass, or volume using D = m/V. Enter any two values to find the third. Includes a reference table of common material densities.
Calculate the gravitational force between any two masses using Newton's Law of Universal Gravitation. Find force, distance, or mass.
Solve a right triangle completely — find all sides and angles from any two known values using the Pythagorean theorem and trigonometry.
Find missing sides or angles of any triangle using the Law of Cosines. Supports SSS (all sides known) and SAS (two sides + included angle) modes.
Find missing sides or angles of any triangle using the Law of Sines. Supports AAS (two angles + non-included side) and SSA (two sides + non-included angle) modes, including the ambiguous case.
Calculate slope, y-intercept, line equation, angle of inclination, and distance between two points on a coordinate plane.
Find the midpoint between two coordinate points and the straight-line distance between them.
Calculate the area and perimeter of common 2D shapes: square, rectangle, triangle, circle, trapezoid, parallelogram, and ellipse.
Calculate the total surface area and lateral surface area of common 3D shapes: cube, rectangular box, sphere, cylinder, cone, and square pyramid.
Calculate the volume of common 3D shapes: cube, rectangular box, sphere, cylinder, cone, pyramid, and ellipsoid.
Calculate the volume, slant height, lateral surface area, and total surface area of a cone from its base radius and height.
Calculate radius, diameter, surface area, and volume of a sphere from any one known measurement.
Calculate the volume, lateral surface area, total surface area, and base area of a cylinder from its radius and height.
Calculate the symmetric percentage difference between two values — useful when neither value is a reference baseline.
Calculate the percent error between an experimental measurement and the accepted theoretical value, including absolute error and sign.
Calculate the absolute value of any real number, with a step-by-step explanation of the result.
Calculate the cube root of any real number. Shows exact result for perfect cubes, decimal approximation for others, and the verification check.
Calculate the reciprocal of a number or fraction. Enter a whole number or numerator/denominator — get the reciprocal as a fraction and decimal.
Round any number to a chosen number of decimal places, significant figures, or the nearest integer, 10, 100, or 1000.
Convert numbers to and from scientific notation, or multiply and divide numbers in scientific notation. Handles very large and very small numbers precisely.
Sort a list of numbers in ascending or descending order. Optionally remove duplicates. Shows count, min, max, sum, mean, and median.
Find all factors, factor pairs, prime factorization, and the total number of factors for any positive integer.
Calculate remaining quantity, time elapsed, or half-life for radioactive decay or any exponential decrease. N = N₀ × (1/2)^(t/t½).
Convert a quadratic ax²+bx+c to vertex form a(x−h)²+k, find the vertex (h, k), and calculate real roots if they exist.
Expand the product (ax+b)(cx+d) using the FOIL method with step-by-step working. Shows First, Outer, Inner, and Last terms separately.
Calculate all three values of a golden ratio division — short side a, long side b, and total length a+b — given any one of them. φ ≈ 1.6180339887.
Generate up to 20 rows of Pascal's Triangle and display the nCr (combination) values for any selected row.
Calculate nPr (permutations) and nCr (combinations) with step-by-step factorial expansion. Supports n and r up to 20.
Convert between fractions, decimals, and percentages in any direction. Six conversion modes in one tool.
Convert any decimal number to a simplified fraction in lowest terms, with step-by-step working. Handles terminating and long decimals.
Reduce any fraction to its simplest form (lowest terms) using the GCD. Shows the GCD used and the decimal equivalent.
Compare and order up to four fractions from smallest to largest, showing decimal equivalents and the LCD. Leave unused fields at 0.
Generate a list of equivalent fractions for any given fraction. Shows the simplified form and up to 10 equivalents.
Find the Least Common Denominator (LCD) of up to four denominators, with prime factorization method shown step-by-step.
Divide any two integers with step-by-step long division. Shows quotient, remainder, decimal result, and the full long division process as text.
Conversion & Units
23 toolsConvert between metres, kilometres, feet, inches, miles, yards, and more length units instantly.
Convert inches to feet instantly. See the result in feet and inches combined (e.g. 5'4"), decimal feet, and centimetres.
Convert between kilograms, pounds, ounces, grams, stones, tonnes, and more weight units.
Convert between Celsius, Fahrenheit, Kelvin, and Rankine instantly.
Convert between litres, millilitres, gallons, cups, fluid ounces, cubic metres, and more.
Convert between square metres, square feet, acres, hectares, square kilometres, and more.
Convert between km/h, mph, m/s, knots, and Mach number instantly.
Convert between seconds, minutes, hours, days, weeks, months, and years instantly.
Convert between bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes.
Convert between pascals, bar, PSI, atmospheres, torr, and other pressure units.
Convert between joules, kilocalories, kilowatt-hours, BTU, electronvolts, and other energy units.
Convert between watts, kilowatts, horsepower, BTU/hour, and other power units.
Convert numbers between decimal, binary, hexadecimal, and octal instantly.
Convert between newtons, kilonewtons, pound-force, kilogram-force, dynes, and more.
Convert between degrees, radians, gradians, arcminutes, arcseconds, and revolutions.
Convert between MPG (US), MPG (UK), L/100km, and km/L fuel efficiency units.
Convert between hertz, kilohertz, megahertz, gigahertz, and RPM.
Convert between DPI, PPI, dots per cm, and dots per mm for print and screen.
Convert between Mbps, MBps, Gbps, kbps, and other network speed units.
Convert between decibels (dB), nepers (Np), and bels (B) for sound and signal levels.
Convert between pixels, points, ems, rems, picas, centimetres, and inches for web and print.
Convert between kg/m³, g/cm³, g/L, lb/ft³, and other density units.
Convert between Newton-metres, pound-foot, pound-inch, kilogram-force·metre, and more torque units.
Date & Time
15 toolsCalculate your exact age in years, months, and days from your date of birth.
Add or subtract days, weeks, months, or years to any date to find a past or future date.
Find the exact number of days, weeks, months, and years between two dates.
Add or subtract two time values in hours, minutes, and seconds.
Count the number of working days (Monday–Friday) between two dates, excluding weekends.
Calculate a future or past date by adding or subtracting a number of business days (Mon–Fri).
Discover your age, the day you were born, days until your next birthday, and your zodiac sign.
Find out when you can retire based on your date of birth and target retirement age.
Find the day of the week, week number, and day of year for any date.
Count down the exact days, hours, and weeks until any future event or deadline.
Add or subtract hours, minutes, and seconds from a time value. Useful for scheduling and time tracking.
Calculate the exact number of weeks (and remaining days) between any two dates.
Calculate the exact number of months and days between two dates.
Calculate total hours and minutes between two times, or sum multiple time entries for timesheets.
Calculate the exact number of years, months, and days between two dates.
Statistics
11 toolsCalculate Pearson correlation coefficient (r) between two variables. Measures strength and direction of linear relationships.
Calculate the linear regression line (y = mx + b) for a dataset. Find slope, intercept, and predict Y for any X value.
Calculate the z-score (standard score) and percentile rank for any value in a normal distribution. Convert raw scores to z-scores instantly.
Perform a one-sample t-test to determine if a sample mean is significantly different from a known population mean. Returns t-statistic and p-value.
Calculate the chi-square (χ²) statistic for goodness-of-fit or independence tests. Enter observed and expected frequencies to get χ² and p-value.
Calculate the confidence interval for a population mean from sample data. Supports 90%, 95%, and 99% confidence levels.
Calculate the minimum sample size required for a statistically valid survey or experiment. Specify confidence level, margin of error, and population size.
Find the percentile rank of a score in a dataset, or find the value at a given percentile. Enter up to 10 data values.
Calculate Poisson probabilities for rare events. Find P(X = k), P(X ≤ k), and P(X > k) given an average rate λ.
Calculate variance and standard deviation for a set of numbers. Choose population variance (σ²) or sample variance (s²).
Calculate the Standard Error of the Mean (SEM) from standard deviation and sample size. Includes margin of error for 90%, 95%, and 99% confidence levels.
Text Tools
16 toolsCount words, characters, sentences, paragraphs, and estimate reading time for any text.
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, or kebab-case.
Reverse text by characters, words, or lines — instantly.
Estimate how long it takes to read any text, article, or book at different reading speeds.
Sort lines of text alphabetically, by length, or numerically — ascending or descending.
Find and replace text within any content — with plain text or regex support.
Remove extra spaces, tabs, and blank lines from text — clean and reformat in one click.
Repeat any text or phrase a set number of times with a custom separator.
Generate placeholder Lorem Ipsum text by words, sentences, or paragraphs.
Remove special characters, HTML tags, punctuation, numbers, or any custom characters from text.
Calculate the Flesch Reading Ease score, Flesch-Kincaid grade level, and key text statistics for any piece of writing.
Score your blog post, email, or article headline for emotional impact, power words, word balance, and SEO potential.
Generate 10 click-worthy blog post titles for any topic using proven headline formulas — listicles, how-tos, questions, and more.
Generate a structured article or blog post outline with H2 and H3 headings, word count targets, and content suggestions.
Summarize any article, essay, or document into key bullet points, a short paragraph, or a TL;DR in seconds.
Extract the most important keywords and phrases from any text. Great for SEO research, content analysis, and meta keyword generation.
Developer Tools
26 toolsFormat, validate, and minify JSON — with clear error messages for invalid input.
Encode plain text to Base64 or decode Base64 strings back to readable text.
Encode special characters in URLs (percent-encoding) or decode percent-encoded URLs.
Generate UUID v4 (random) identifiers — one or in bulk.
Convert Unix timestamps to human-readable dates and times, and vice versa.
Decode and inspect JWT (JSON Web Token) headers and payloads without verifying the signature.
Generate and explain cron expressions — pick a preset or write your own.
Convert any title or phrase into a clean URL slug — lowercase, hyphenated, SEO-friendly.
Look up any DNS record type (A, AAAA, MX, NS, CNAME, TXT, SOA) for any domain — powered by Cloudflare DNS.
Check the mail exchange (MX) records for any domain to see which mail servers receive email for it.
Find the authoritative nameservers (NS records) for any domain to see who controls its DNS.
Check CNAME (canonical name) records for any domain to see where it is aliased to.
View all TXT DNS records for a domain — including SPF, DKIM, DMARC, domain verification, and ownership tokens.
Validate the SPF (Sender Policy Framework) record for any domain and understand its email authentication policy.
Look up and validate the DKIM (DomainKeys Identified Mail) public key record for a domain and selector.
Check and analyse the DMARC policy for any domain to understand how email authentication failures are handled.
Check whether your DNS changes have propagated across Cloudflare, Google, and Quad9 resolvers worldwide.
Inspect the SSL/TLS certificate for any domain — view issuer, expiry date, SANs, and days remaining.
Find out how old any domain is — see its registration date, age in years, and expiry date via RDAP.
Look up domain registration information — registrar, dates, nameservers, and status via the RDAP protocol.
View all HTTP response headers for any URL and check for missing security headers like HSTS, CSP, and X-Frame-Options.
Trace the full redirect chain for any URL — see each hop, status code, and the final destination.
Measure Time to First Byte (TTFB) for any URL — see how fast your server responds and identify bottlenecks.
Check the HTML page size of any URL and get a resource breakdown — images, scripts, stylesheets, and inline assets.
Capture a full-page screenshot of any website URL without installing any software.
Generate an Apache .htaccess file with HTTPS redirects, www rules, caching headers, and custom error pages.
Generators
24 toolsGenerate a direct link to your Google Review page — share it via WhatsApp, email, or SMS to collect more reviews effortlessly.
Generate a wa.me link that opens WhatsApp with any phone number — add a pre-filled message for instant customer contact.
Open a WhatsApp chat with any number instantly — without saving the contact. Useful for one-time chats and quick messaging.
Generate a YouTube subscribe link that triggers the subscribe confirmation the moment someone clicks it.
Generate strong, random passwords with custom length and character sets.
Generate random numbers within any range — integers or decimals, single or multiple.
Roll any number of dice with custom sides — D4, D6, D8, D10, D12, D20, D100, or custom.
Flip a virtual coin — heads or tails. Flip multiple times and see statistics.
Ask the Magic 8 Ball a yes/no question and receive its mystical answer.
Generate random colors in HEX, RGB, and HSL formats. Generate a single color or a set of 5 random colors at once for design inspiration.
Generate a harmonious color palette from any base hex color. Choose from complementary, analogous, triadic, or monochromatic schemes.
Generate unique, creative usernames from your name or keyword. Get 10 username suggestions with different styles — social media, gaming, professional.
Generate realistic fake person data for testing and development: name, email, phone, address, date of birth, and more. Safe, randomised, non-real data.
Generate secure random PINs, OTPs, and numeric codes of any length. Useful for testing authentication flows, generating temporary passwords, and creating access codes.
Generate random names for babies, characters, businesses, or projects. Choose from real names by origin or creative fantasy/sci-fi name styles.
Generate MD5, SHA-1, and SHA-256 style hashes from any text input. Useful for checksums, data integrity verification, and learning about hashing.
Get an inspiring, funny, or wise random quote from famous thinkers, leaders, and entertainers. Filter by category.
Generate a unique story plot with character, setting, conflict, and twist for any genre — great for writers, RPGs, and creative exercises.
Generate unique character names for fantasy, sci-fi, historical fiction, or modern stories. Choose gender, origin, and style.
Fill in funny words to create a hilarious Mad Libs story. Choose from adventure, job interview, mystery, and holiday disaster templates.
Generate random trivia questions with answers across science, history, geography, pop culture, tech, and sports for quizzes and parties.
Generate fun, deep, or thought-provoking "Would You Rather" questions for parties, icebreakers, team building, or just for fun.
Take a quick personality quiz based on Myers-Briggs style dimensions (E/I, S/N, T/F, J/P) and discover your 4-letter personality type with a detailed description.
Translate English text to Pig Latin and Pig Latin back to English. Handles capitalization, punctuation, and consonant clusters.
Construction
8 toolsCalculate the volume of concrete needed for slabs, footings, columns, or steps. Get results in cubic metres, cubic feet, and bags of ready-mix.
Calculate how many litres of paint you need to cover walls, ceilings, or a room. Accounts for doors, windows, coats, and paint coverage rate.
Calculate how many square metres of flooring you need for any room. Supports rectangular and L-shaped rooms, with waste percentage.
Calculate how many tiles you need for a floor or wall. Enter room dimensions and tile size to get tile count, boxes needed, and grout quantity.
Calculate the number of fence posts, rails, pickets, and panels needed for any fence length. Supports common picket and panel fence styles.
Calculate the number of bricks and bags of mortar needed for a wall. Supports single and double brick walls with standard or metric brick sizes.
Calculate the number of steps, riser height, tread depth, and total stringer length for a staircase. Ensures compliance with building code guidelines.
Calculate the total roof area for gable, hip, or flat roofs. Get roofing material quantities in squares, sheets, and tiles with waste allowance.
SEO Tools
12 toolsCalculate keyword density and frequency for any text. Paste your content and keyword to see how often it appears and whether density is in the recommended SEO range.
Check your meta description length, character count, pixel width, and SEO quality. Get instant feedback on whether it will display fully in Google search results.
Check a title tag’s character length, approximate pixel width and keyword position against the length figures built into this tool. Search engines choose how titles are displayed, so treat the result as a guide.
Calculate the reading level and readability score of any text using the Flesch-Kincaid formula. Find out what grade level your content targets.
Estimate monthly organic traffic from search volume and SERP position. Uses industry-average click-through rates by ranking position to project traffic potential.
Count the words in your content and see reading time, sentence statistics and where the total sits against the length bands built into this tool. Word count alone does not decide how a page ranks.
Check the Open Graph and Twitter Card meta tags for any URL — see exactly how your page appears when shared on social media.
Fetch and analyse the robots.txt file for any domain — see crawl rules, user-agent blocks, and sitemap references.
Fetch and validate the XML sitemap for any domain — count URLs, check for lastmod dates, and detect sitemap indexes.
Generate a robots.txt file to control how search engine crawlers access your website.
Generate HTML meta tags for SEO, social sharing, and viewport — ready to paste into your page head.
Generate Open Graph and Twitter Card meta tags to control how your page looks when shared on social media.
Numerology
64 toolsCalculate your core numerology numbers — Life Path, Expression, and Soul Urge — from your full name and date of birth using the Pythagorean system.
Calculate the numerology number for any name using Pythagorean and Chaldean systems. Compare how different spellings or names affect your numerology chart.
Calculate your Life Path Number from your date of birth. Your most important numerology number — reveals your life's purpose, challenges, and natural gifts.
Calculate your Destiny (Expression) Number from your full birth name. Reveals your natural talents, abilities, and what you are destined to achieve in life.
Calculate your Soul Urge (Heart's Desire) Number from the vowels in your name. Reveals your innermost desires, motivations, and what truly drives you.
Calculate your Personality Number from the consonants in your name. Reveals your outer persona — how the world perceives you at first impression.
Calculate numerological love compatibility between two people using their Life Path Numbers. Find out how well your numbers harmonise in relationships.
Calculate the numerology number for any business name. Find out if your company name carries a lucky, prosperous, or challenging vibration for your industry.
Calculate the numerology of your mobile phone number. Find out the energy your phone number carries and whether it is lucky for you based on your Life Path.
Find your personal lucky numbers based on your name and date of birth using numerology. Discover your Life Path, Expression, and Personal Year lucky numbers.
Calculate your Birth Number (also called Day Number) from your day of birth. Reveals your natural talents, personality style, and the energy you project.
Calculate your name number using the ancient Chaldean system — considered more accurate by many practitioners. Compare with Pythagorean for a complete reading.
Find the numerological energy of your home by reducing your house number (and apartment/unit letter) to a single digit. Discover what energy your home holds.
Calculate the numerological energy of your vehicle number plate. Find your lucky car number and what it means for your journeys, safety, and destiny.
Find the meaning of any angel number you keep seeing. Enter a repeating number sequence to discover the message your angels and the universe are sending you.
Generate your Lo Shu Grid from your date of birth — the ancient Chinese numerological chart showing which numbers are present, missing, and repeated in your life.
Calculate the numerological compatibility between two people using their Life Path numbers. Find out how well your numbers match for love, friendship, or business.
Calculate your Maturity Number — the hidden goal of your life, revealed by adding your Life Path and Destiny numbers. It comes into focus after age 35.
Calculate your Power Number — the combination of your Life Path and Birth Day numbers. Reveals your core strengths and the energy that fuels your natural abilities.
Calculate your Personal Year number to understand the theme and energy of your current year. Every 9 years you complete a cycle — find where you are in yours.
Calculate your Personal Month number to understand the energy and theme of any specific month. Useful for planning meetings, launches, and personal decisions.
Calculate your Personal Day number to understand the best activities and energy for any specific date. Plan important events on aligned personal days.
Detect Karmic Debt numbers (13, 14, 16, 19) hidden in your Life Path, Destiny, and Birth Number. Reveals past-life lessons carried into this lifetime.
Find your Karmic Lessons — the numbers missing from your full birth name. Missing digits indicate areas of weakness and life lessons you must develop in this lifetime.
Calculate your Balance Number from the initials of your full name. It reveals how you respond to challenges and difficult situations — your emotional coping style.
Calculate your 4 Pinnacle Numbers — the major life phases in numerology. Each Pinnacle covers a period of years and describes the opportunities and lessons of that phase.
Calculate your 4 Challenge Numbers — the obstacles and tests you face across your life phases. Challenge Numbers reveal where you must grow to fulfil your potential.
Calculate twin flame compatibility using Life Path numbers. Discover whether your numbers reflect a twin flame connection, soul mate bond, or complementary partnership.
Find your lucky name number and discover whether your name aligns with your Life Path. Enter a name to check if its vibration supports your destiny.
Calculate numerological compatibility between two names. Compare name numbers for relationships, business partnerships, or friendships using Pythagorean numerology.
Discover the vibrational energy of any name — its ruling planet, element, color, gemstone, and energy type. Used for name selection, brand naming, and energy alignment.
Find the numerological number of a baby name and check if it aligns with the child's Life Path. Choose a name that supports your baby's destiny and natural strengths.
Calculate the Universal Year number for any calendar year to understand the global energy, world themes, and opportunities available to everyone during that year.
Find your Hidden Passion number — the most frequently appearing digit in your full name. It reveals your dominant talent, obsession, and the energy you return to naturally.
Find your Cornerstone (first letter of first name) and Capstone (last letter of first name) to reveal how you start and finish things in life.
Calculate your Subconscious Self number — how many distinct digit values appear in your name. Reveals your reactive strength and how you respond under pressure.
Complete Pythagorean numerology reading from your name and date of birth. Get your Life Path, Destiny, Soul Urge, and Personality numbers in one calculation using the Western (Pythagorean) system.
Calculate compatibility between two names using the ancient Chaldean numerology system. Compare name vibrations for relationships, business partnerships, or brand alignment.
Calculate numerological compatibility between parent and child using Life Path numbers. Understand your child's nature, parenting strengths, and potential friction points.
Full numerology reading from your date of birth only — Life Path, Birth Number, Personal Year, and life cycle analysis. No name needed.
Find out if your name's numerology number matches your desired target number. Get practical spelling suggestions to align your name's energy using the Pythagorean system.
Compare two birth dates to calculate numerology compatibility. Get life path numbers, a compatibility score, and a detailed interpretation of the relationship energy.
Calculate the numerology number of any brand name using Pythagorean or Chaldean system. Discover your brand's core energy, personality traits, and lucky brand colors.
Calculate the numerology number of any domain name. The calculator automatically strips www. and the TLD to reveal the core domain energy and website advice.
Find the most auspicious dates to launch your business in any given month. Choose a target numerology number and see all qualifying dates, with the top 3 recommended.
Find out if your mobile or phone number is lucky using numerology. Enter any phone number to get its numerology value, lucky assessment, and personalised interpretation.
Calculate the numerology value of your vehicle registration plate. Find out if your number plate is lucky, what energy it carries, and get driving advice based on numerology.
Calculate the numerology number of your home or business address. Enter your flat/house number and optional street name to discover the property energy, who it is best for, and interior tips.
Find your personal lucky dates this month using numerology. Based on your name, date of birth, and current month, the calculator identifies the most auspicious days for important actions.
Discover your lucky day of the week based on your Life Path number. Find your ruling planet, most powerful day, and personalised advice for scheduling important activities.
Find your best months of the year using numerology. Enter your birth details to calculate your Personal Year number and get a month-by-month energy rating and lucky month list.
Find your lucky colors based on your numerology number. Discover your primary and secondary lucky colors, what they mean, and which colors to avoid to keep your energy aligned.
Find your lucky direction based on your Life Path number. Discover the best direction for your desk, bed, and important decisions — combining numerology with Vastu principles.
Find your lucky gemstone based on your numerology Life Path number. Get your primary gemstone, alternatives, the best day to wear it, which finger to wear it on, and key benefits.
Discover the luckiest starting letters for your name, business, or baby's name based on your Life Path number. Includes primary and secondary lucky letters with explanations.
See the number your name gives a signature in numerology and the traditional style pairing for a theme you pick: success, prosperity, wellbeing or relationships. Belief-based, not a prediction.
Discover which numbers are missing from your Lo Shu Grid based on your date of birth. Missing numbers reveal your karmic lessons — areas of life requiring conscious development.
Compare the Lo Shu Grids of two people to assess numerological compatibility. See both grids, shared numbers, complementary qualities, and a full compatibility assessment.
Calculate the numerology profile of your family. Enter up to 4 family members' names and birth dates to get individual Life Paths, the family group number, dominant energy, and harmony rating.
Discover the ideal career fields for your numerological profile. Enter your name and date of birth to get your Life Path, Destiny number, ideal careers, and careers to approach with caution.
Calculate your personal Success Number — the combination of your Life Path and Destiny numbers that reveals your unique path to achievement. Includes peak success periods.
Check how compatible a job title or role is with your numerology Life Path number. Get a compatibility percentage, rating, and interpretation to guide career decisions.
Calculate your current Essence Number — a personal transit derived from the letters of your full name and your current age. Reveals the key theme and opportunity of your current life chapter.
Discover your current transiting name letter cycle based on your first name and current age. See which letter is active now, its numerology value, cycle position, meaning, and when it ends.
Education
22 toolsCalculate your weighted or simple average grade from multiple subjects or assignments.
Convert GPA to percentage or percentage to GPA using 4.0, 5.0, or 10.0 scale.
Calculate how many hours you need to study based on pages, reading speed, and difficulty.
Convert raw exam scores to percentage, letter grade, and GPA. Check if you passed.
Calculate your reading speed in WPM and estimate how long it takes to read any book.
Calculate your semester GPA and cumulative GPA from course credit hours and grades.
Calculate how much you need to save monthly to fund your child's college education, with country-specific savings plans and tax benefits.
Calculate the grade needed on a final exam to achieve your target overall course grade.
Estimate net tuition cost after scholarships, grants, work-study, and loans — plus your monthly loan payment after graduation.
Project future college tuition costs adjusted for tuition inflation and calculate savings needed to cover them.
Plan your exam study hours by topic difficulty and available days before the exam.
Convert a percentage grade to a letter grade across US, UK, India, Australia, and GPA scales.
Calculate your final course grade from weighted coursework, midterm, and final exam components.
Convert a standardised test score (SAT, ACT, GRE, GMAT, IELTS, TOEFL) to an approximate percentile rank.
Generate accurate citations in APA, MLA, or Chicago style for books, websites, journals, and more.
Create a formatted bibliography or reference list from multiple sources in APA, MLA, or Chicago style.
Generate a clear, arguable thesis statement for your essay by entering your topic, position, and main reasons.
Generate a structured academic abstract for your research paper, thesis, or journal article in seconds.
Translate text to Morse code and Morse code back to text. Supports letters, numbers, and common punctuation.
Convert any text into the NATO phonetic alphabet (Alpha, Bravo, Charlie...). Essential for clear communication over radio, phone, and aviation.
Encode or decode text using the Caesar cipher with any shift (1–25) or ROT13. Shows letter-by-letter substitution and frequency analysis.
Translate English text to Grade 1 Braille Unicode characters. Shows the Braille cell dot patterns for each letter.
Business
34 toolsCalculate net profit or loss, profit margin, and break-even from revenue and cost data.
Calculate the true total cost of an employee including salary, benefits, and employer overhead.
Calculate operating, investing, and financing cash flows to assess business liquidity.
Calculate inventory turnover ratio, days sales of inventory (DSI), and assess efficiency.
Calculate Days Sales Outstanding (DSO) to measure how quickly customers pay invoices.
Estimate business value using revenue multiples, earnings multiples, and asset-based methods.
Calculate your startup's monthly burn rate and cash runway — how many months until you run out of money.
Calculate Monthly Recurring Revenue, Annual Recurring Revenue, MRR growth rate, and Net Revenue Retention for SaaS businesses.
Compare gross margin, operating margin, and net profit margin side by side to identify where your business loses profitability.
Calculate the full cost and return on investment of hiring an employee, including salary, benefits, onboarding, and tools.
Calculate degree of operating leverage (DOL), contribution margin, and break-even revenue to understand profit sensitivity to revenue changes.
Calculate the exact number of units you need to sell to cover all fixed and variable costs and reach break-even profitability.
Calculate the true cost per support ticket and total monthly customer support operation costs including agent time and overhead.
Estimate the total cost of buying and running a franchise including initial fees, royalties, marketing levies, and break-even revenue.
Calculate MRR, ARR, customer LTV, LTV:CAC ratio, and payback period for subscription and SaaS businesses.
Generate a free Terms and Conditions agreement for your website or app instantly.
Generate a starting-point Privacy Policy template for your website or app from your answers; have a qualified lawyer review it before you publish.
Generate a free Return and Refund Policy for your online store or eCommerce website.
Generate a starting-point Cookie Policy template for your website from your answers; have a qualified lawyer review it and match it to your consent setup.
Generate a website disclaimer template covering content, advice and information, based on your answers; have a qualified lawyer review it.
Generate a free Non-Disclosure Agreement (NDA) for business meetings, partnerships, or employee onboarding.
Generate a DMCA takedown notice draft to report copyright infringement and request removal of the content; review it before sending.
Generate a professional website disclaimer covering liability, accuracy, external links, and professional advice.
Calculate your Amazon FBA profit, margin, ROI, and all fees including referral, fulfillment, and storage costs.
Calculate Shopify transaction fees, payment processing costs, and net revenue for all Shopify plans.
Calculate your dropshipping profit margin, ROAS, and break-even ROAS after product cost, shipping, ads, and platform fees.
Generate compelling, SEO-optimised product descriptions for your eCommerce store, Amazon listing, or Etsy shop.
Calculate the optimal bundle price, discount percentage, savings per customer, and your margin when selling product bundles.
Calculate all Etsy fees — listing, transaction, payment processing, and offsite ads — plus your net profit per sale.
Generate a professional invoice for freelancers and small businesses — free and instant.
Generate a professional plain-text email signature with your name, title, company, and contact details.
Generate a professional job description for any role — ready to post on job boards instantly.
Generate a professional press release for product launches, company news, or events — formatted to media standards.
Generate a professional business proposal for client projects, freelance work, or partnerships.
Fitness
15 toolsCalculate your Total Daily Energy Expenditure — the calories you burn per day based on activity level and goal.
Calculate calories burned during any physical activity using the MET (Metabolic Equivalent) method.
Calculate total training volume (sets × reps × weight) and track weekly tonnage across muscle groups.
Estimate recovery time needed after a workout based on intensity, volume, and muscle groups trained.
Estimate body fat percentage using the Jackson-Pollock 3-site skinfold measurement method.
Calculate your 5 heart rate training zones using the Karvonen (heart rate reserve) formula.
Estimate calories burned during exercise using MET values for 15 common activities.
Calculate per-kilometre or per-mile splits for any target race finish time.
Predict your marathon or half-marathon finish time from a recent race result using the Riegel formula.
Calculate swimming pace per 100m, total swim time, or total distance in any open-water or pool event.
Estimate your Functional Threshold Power (FTP) from a test effort and calculate all 7 training power zones.
Calculate weekly training volume (sets × reps × weight) for up to 4 exercises and classify total volume.
Estimate muscle recovery time based on training intensity, volume, age, and sleep quality.
Convert daily step count to estimated calories burned, distance walked, and active minutes.
Plan a deload week by calculating reduced training volume, weight, and reps based on your current programme.
Medical
11 toolsCalculate IV drip rate in mL/hr and drops/min from volume, time and drop factor. Arithmetic only: it does not check doses or compatibility.
Estimate glomerular filtration rate (eGFR) from serum creatinine, age and sex using the race-free CKD-EPI 2021 equation.
Calculate body surface area (BSA) using the Mosteller, DuBois and Haycock formulas from height and weight.
Sort a blood pressure reading into the ACC/AHA 2017 categories and see its pulse pressure and mean arterial pressure.
Estimate HbA1c percentage from an average blood glucose in mg/dL or mmol/L, using the ADAG regression line.
Calculate serum anion gap and albumin-corrected anion gap from sodium, chloride, bicarbonate and albumin.
Adjust total serum calcium for albumin level with the Payne formula (mg/dL and g/dL).
Calculate Apgar score for newborn assessment at 1 and 5 minutes after birth.
Calculate the Sequential Organ Failure Assessment (SOFA) score for ICU patients to quantify organ dysfunction.
Calculate daily maintenance fluid requirements using the Holliday-Segar method.
Calculate Ideal Body Weight (IBW, Devine) and Adjusted Body Weight (AdjBW) from height, sex and actual weight.
Marketing
23 toolsCalculate cost per thousand impressions (CPM), total ad cost, or total impressions for your campaign.
Calculate cost per click (CPC), click-through rate (CTR), and total clicks for PPC campaigns.
Calculate Return on Ad Spend (ROAS) and determine how much revenue you earn per dollar spent on advertising.
Calculate open rate, click-through rate, conversion rate, and revenue from email campaigns.
Calculate Customer Lifetime Value to understand how much revenue a customer generates over their relationship with your business.
Calculate monthly/annual customer churn rate, retention rate, and average customer lifetime.
Calculate statistical significance and determine the winner of an A/B test using Z-score and normal approximation.
Calculate the return on investment of influencer marketing campaigns including cost per impression, engagement, and click.
Calculate the return on investment of your content marketing programme including cost per lead, cost per customer, and total ROI.
Calculate the required ad spend to hit a revenue target based on ROAS, average order value, and conversion rate.
Calculate social media engagement rate for any platform and compare it against industry benchmarks.
Calculate conversion rates at every stage of your marketing and sales funnel — from visitor to customer.
Estimate the monetary value of your organic keyword traffic and potential revenue compared to equivalent paid search spend.
Score leads based on demographic fit and behavioural signals to prioritise sales outreach and predict conversion likelihood.
Compare the monetary value of organic traffic against paid search spend and calculate break-even months for SEO investment.
Project newsletter subscriber growth and revenue potential using compound monthly growth and churn rates.
Count characters, words, and links in your tweet. See how many characters you have left before the 280 limit.
Generate engaging Instagram captions with hooks, body text, a call to action, and relevant hashtags for any niche.
Generate an SEO-optimised YouTube video description with timestamps, links, hashtags, and a subscribe CTA.
Generate relevant hashtags for Instagram, TikTok, Twitter/X, and LinkedIn based on your topic and niche.
Find the best times to post on Instagram, TikTok, Facebook, LinkedIn, Twitter, and Pinterest based on your audience location and industry.
Generate a compelling, keyword-rich social media bio for Instagram, Twitter/X, TikTok, LinkedIn, or Pinterest.
Generate a high-converting cold email for sales outreach, partnerships, or job applications.
Career & HR
11 toolsConvert annual salary to hourly rate, daily rate, weekly pay, and monthly pay — and back.
Calculate your new salary after a raise, the raise amount, and how long to negotiate for more.
Calculate how much paid time off you accrue per pay period, and when you will reach your target balance.
Calculate overtime pay based on regular hours, overtime hours, and overtime multiplier.
Compare two job offers side by side using salary, benefits, commute, and other factors to find the better deal.
Calculate the minimum viable freelance hourly rate to match or exceed a target salaried income.
Calculate money and time saved by working from home versus commuting to the office.
Compare two job offers on total compensation including salary, bonus, benefits, retirement match, and PTO.
Estimate the total financial cost of a career break including lost salary, retirement contributions, and career trajectory.
Get a full payslip breakdown showing every deduction line — income tax, NI/PF/social security, pension, and net pay — for your gross monthly salary.
Generate a compelling LinkedIn summary (About section) that showcases your expertise and attracts the right opportunities.
Travel
15 toolsEstimate flight duration based on distance and aircraft speed, with time zone adjustment.
Calculate total fuel cost, travel time, and expenses for a road trip based on distance and fuel efficiency.
Plan your total travel budget by category — accommodation, food, transport, activities, and emergency fund.
Estimate jet lag severity and recovery time based on time zones crossed and travel direction.
Calculate the cost of international calls based on duration and per-minute rate.
Estimate visa application fees and processing times for popular nationality and destination combinations across tourist, business, work, and student visa types.
Compare international roaming costs vs buying a local SIM card for your trip. Enter your home country, destination, and usage to see which option saves more money.
Convert between 20 major world currencies using approximate 2024 exchange rates.
Calculate the carbon footprint of your journey by transport mode and compare against driving the same distance.
Compare the true total cost of a hotel stay versus an Airbnb rental including all fees.
Find overlapping business hours between two or three time zones to schedule meetings without the confusion.
Check if your bag meets airline weight limits and estimate overweight or extra bag fees.
Compare approximate living costs between 20 major cities worldwide and estimate your adjusted monthly budget.
Estimate your total luggage weight from a packing list before you head to the airport.
Find out if your layover is long enough, what you can do during it, and whether you need a transit visa.
Astrology
14 toolsFind your Western zodiac sun sign from your date of birth and learn about your sign traits.
Find your Chinese zodiac animal and element based on your birth year.
Estimate your moon sign from your birth date using an approximate lunar cycle calculation.
Check love and friendship compatibility between two zodiac signs based on element and quality.
Estimate your rising sign (ascendant) from your birth time. The ascendant changes every ~2 hours.
Discover your astrological life path by combining your sun sign, numerology life path number, and Chinese zodiac animal.
Determine your Sun, Moon, and Rising signs from your birth date, time, and location.
Check if any date falls during Mercury retrograde and see all 2025–2026 Mercury retrograde periods.
Calculate when your first and second Saturn Returns will occur and what life themes to expect.
Calculate your Vedic astrology moon sign (Rashi) and approximate Nakshatra from your birth date and time.
Find the planetary ruler of any hour of the day using the ancient Chaldean order system.
Calculate the exact moon phase, illumination percentage, and lunar day for any date.
Calculate when the Sun returns to its exact natal position for your astrological solar return birthday.
Calculate Chinese zodiac compatibility based on birth years, animals, and the Five Elements.
AI Tools
13 toolsEstimate the number of tokens in your text for GPT-4, Claude, Gemini, and other LLMs. Useful for staying within context limits.
Calculate the cost of an AI API call based on input/output tokens and model pricing.
Convert between words, characters, tokens, and pages for AI models and content planning.
Plan your monthly AI API budget based on usage volume, model selection, and request patterns.
Check if your text fits within the context window of popular AI models. Paste your prompt and see which models can handle it.
Compare monthly token costs across major LLM models — GPT-4o, Claude, Gemini, and more — for your specific workload.
Calculate monthly and annual costs of generating text embeddings with OpenAI or Cohere models.
Estimate the training cost and ongoing inference cost of fine-tuning an OpenAI language model.
Calculate monthly costs for AI image generation with DALL-E 3, Stable Diffusion, or Midjourney.
Estimate the monthly cost of a Retrieval-Augmented Generation (RAG) pipeline including indexing, embeddings, and LLM inference.
Compare GPU rental costs across AWS, GCP, Azure, Lambda Labs, and Vast.ai for ML training and inference workloads.
Calculate the return on investment of deploying an AI chatbot for customer support, including payback period and annual ROI.
Estimate expected LLM response latency — time-to-first-token and total response time — for planning real-time AI applications.
Productivity
14 toolsCalculate the real cost of a meeting based on attendees, their hourly rates, and meeting duration.
Plan your work sessions using the Pomodoro Technique — break tasks into focused intervals with short breaks.
Calculate your typing speed in WPM and accuracy, and estimate how long it takes to type any document.
Calculate how many hours per day you need to work to finish a project before the deadline.
Calculate how long it will take to clear your reading backlog based on your reading speed and daily habit.
Estimate the hidden productivity and financial cost of task-switching throughout your workday.
Calculate optimal deep work sessions based on your available time, meetings, and cognitive chronotype.
Score and classify tasks using the Eisenhower matrix and ICE scoring framework to determine what to do first.
Map your peak cognitive hours to task types based on your sleep-wake chronotype using circadian rhythm research.
Estimate the compounded value of building a daily habit over 1 and 5 years, including the cost of inconsistency.
Calculate how much time and money email consumes each day, and how much you could save by cutting your inbox time.
Find your optimal work-to-break ratio based on task complexity, energy level, and available time.
Score your work-life balance across five dimensions and identify your biggest improvement lever.
Generate a professional meeting agenda that keeps meetings focused, on time, and productive.
Insurance
11 toolsCalculate how much life insurance coverage you need using the DIME method (Debt, Income, Mortgage, Education).
Calculate how many years it takes for a higher insurance deductible to pay for itself through lower premiums.
Compare the total cost of term life insurance vs whole life insurance over time, including the "buy term, invest the difference" strategy.
Identify your insurance coverage gap by comparing your assets and liabilities against current coverage.
Estimate annual pet insurance cost based on species, breed size, age, and coverage tier.
Determine how much umbrella insurance coverage you need based on your net worth and risk factors.
Estimate travel insurance cost based on trip cost, duration, traveler age, and destination risk.
Estimate your annual car insurance premium based on your country, driver age, no-claims history, vehicle value, and coverage type.
Estimate your annual home buildings insurance premium based on home value, construction type, property age, and location risk.
Estimate your annual renters or contents insurance premium based on belongings value, liability cover, and deductible.
Estimate your annual workers compensation or employer liability insurance premium based on payroll, industry type, and country.
Real Estate
13 toolsCalculate monthly mortgage payment, total interest paid, and full amortization summary using your loan details.
Compare the true cost of renting vs buying a home over a set period, including opportunity cost of down payment.
Calculate the capitalization rate (cap rate) for investment properties to evaluate return potential.
Calculate gross and net rental yield to compare investment properties and assess income potential.
Calculate total return on investment (ROI) for a rental property including rental income and capital appreciation.
Calculate how long it will take to save for a home down payment and what monthly savings you need.
Calculate loan-to-value ratio for a property purchase or refinance, including PMI threshold and equity status.
Calculate your current home equity, equity gain since purchase, and maximum HELOC or cash-out refinance amount.
Calculate monthly and annual cash flow from a rental property after all expenses.
Calculate profit, ROI, and break-even price on a house flip including all purchase, renovation, and selling costs.
Estimate monthly Airbnb income for a property based on nightly rate, occupancy, cleaning fees, and expenses.
Calculate Net Operating Income for a rental property and derive cap rate and expense ratio.
Calculate total annual landlord expenses for a rental property with a breakdown by expense category.
QR Code Generator
20 toolsCreate a QR code for a link, email, text, call, SMS, WhatsApp chat, WiFi network, contact card, or event — all from one tool, with custom colors and a logo.
Create a branded "Leave us a Google Review" card with a QR code — ready to print and display anywhere.
Generate a UPI payment QR code for your business or personal payments — compatible with GPay, PhonePe, Paytm, and all UPI apps.
Generate a QR code that links to your digital menu — perfect for restaurants, cafés, and food trucks.
Generate a QR code that opens your Instagram profile instantly — for packaging, flyers, events, and more.
Generate a QR code that opens your YouTube channel or a specific video — great for print, packaging, and events.
Generate a QR code that opens your business location in Google Maps — for cards, flyers, and storefronts.
Generate a QR code that links directly to a hosted PDF — scan to open, read, or download the document instantly.
Generate a QR code that links to your app on the App Store or Google Play — scan to download instantly.
Generate a payment QR code for PayPal, Stripe, Venmo, or any payment link — scan to pay instantly.
Generate a QR code for any social media profile — choose the platform, enter your handle, and share your profile with a scan.
Generate a QR code that links to your Linktree, bio.link, or any link-in-bio page — one scan, all your links.
Generate a QR code that opens your LinkedIn profile instantly — scan to connect at networking events, conferences, and meetings.
Generate a QR code that opens your Twitter / X profile instantly — scan to follow without searching.
Generate a QR code that opens a Telegram chat, channel, or group instantly — scan to message or join without searching.
Generate a QR code that opens your Facebook profile, page, or group — scan to follow or like without searching.
Generate a QR code that opens your TikTok profile instantly — scan to follow without searching.
Generate a QR code for a Zoom meeting link — scan to join a call instantly without typing the meeting ID.
Generate a QR code for your cryptocurrency wallet address — scan to send Bitcoin, Ethereum, or other crypto instantly.
Generate a QR code for your Calendly, Cal.com, or any booking page — scan to schedule a meeting instantly.
Cooking & Food
10 toolsScale any recipe up or down by changing the number of servings. Instantly adjust ingredient amounts while keeping proportions perfect.
Calculate the total cost of a recipe and the cost per serving to help with meal planning and food business pricing.
Adjust cooking time and temperature when switching between conventional oven, fan/convection oven, and air fryer.
Find the best baking and cooking substitutions for common ingredients when you run out or need a dietary alternative.
Calculate total and per-meal calories, protein, carbs, and fat for batch meal prep sessions.
Convert between US cups, tablespoons, teaspoons, fluid ounces and metric measurements (ml, liters, grams, kg) for cooking and baking.
Calculate recommended daily food group servings based on your calorie target and dietary approach.
Estimate your weekly, monthly, and annual grocery budget based on household size, meals cooked, and cost per meal.
Calculate the number of alcohol units in any drink and see how it compares to weekly safe drinking guidelines.
Find out how long food stays safe after opening, cooking, or purchasing — based on FDA and USDA food storage guidelines.
Pets
9 toolsCalculate your dog's daily calorie needs based on weight, life stage, activity level, and whether they are neutered.
Calculate your cat's daily calorie needs based on weight, life stage, body condition, and indoor/outdoor lifestyle.
Convert your dog's age to human equivalent years, accounting for breed size — small dogs age slower than large breeds.
Convert your cat's age to human equivalent years using the standard feline aging conversion: year 1 = 15 human years, year 2 = 24, then +4 per year after.
Calculate the daily, monthly, and annual cost of feeding your pet, including food, treats, and supplements.
Estimate what your puppy will weigh as an adult based on their current age, weight, and breed size category.
Calculate the volume of your fish tank in litres and US gallons, and get fish stocking estimates based on the inch-per-gallon rule.
Estimate your annual pet insurance premium and see whether it's likely to save money based on average vet costs for your pet's age and type.
Estimate the total cost of travelling with your pet by plane, train, or car, including transport fees, vet certificates, carriers, and boarding.
Environment
6 toolsCalculate your personal annual carbon footprint from flights, driving, diet, and home energy.
Calculate the carbon emissions and energy costs from your home electricity and gas usage.
Calculate your household's daily water consumption in litres and your estimated annual water bill.
See the environmental savings from recycling household materials including CO₂, energy, and water.
Calculate the cost to offset a given carbon footprint through different verified offset programmes.
Calculate the payback period, 25-year savings, and ROI for home solar panels or a small wind turbine.
Cryptocurrency
7 toolsCalculate your return on investment for a cryptocurrency purchase including fees and annualised ROI.
Calculate the outcome of regularly investing a fixed amount in crypto over time (DCA strategy).
Calculate your expected staking rewards for proof-of-stake cryptocurrencies with optional compounding.
Calculate how much to buy or sell of each crypto asset to restore your target portfolio allocation.
Estimate Ethereum gas fees in ETH and USD for common transaction types at current gas prices.
Calculate vested and unvested token amounts based on a cliff-plus-linear or quarterly milestone vesting schedule.
Estimate cryptocurrency mining profitability including electricity costs and hardware ROI.
Home & Garden
10 toolsCalculate how many cubic yards or cubic metres of mulch you need for a garden bed, plus bags required.
Calculate how much soil and compost you need to fill a raised garden bed, with mix breakdowns.
Calculate exactly how much grass seed you need based on lawn area, grass type, and seeding purpose.
Calculate how many plants fit in a garden bed using square grid or triangular offset planting patterns.
Calculate how much water your garden needs per week based on plant type, climate, and recent rainfall.
Calculate swimming pool volume in litres, US gallons, and cubic metres for rectangular, round, oval, or kidney-shaped pools.
Calculate the carbon-to-nitrogen ratio for your compost pile and get recommendations for perfect compost.
Calculate the area and perimeter of rectangular, circular, triangular, or L-shaped garden beds.
Calculate how many wallpaper rolls you need for a room, accounting for doors, windows, and pattern repeats.
Calculate how much fence stain or paint you need based on fence size, style, and number of coats.
Wedding & Events
8 toolsPlan your wedding budget by category — venue, catering, photography, flowers, and more — and see your total cost breakdown instantly.
Estimate the total catering cost for your event — weddings, parties, and corporate events — based on per-person spend and guest count.
Calculate how many guests a venue can accommodate based on floor area and seating layout — for weddings, events, and corporate functions.
Estimate the total cost of wedding photography and videography based on hours, photographers, and add-ons.
Estimate the total cost of your honeymoon including flights, accommodation, activities, food, and spending money.
Calculate the total budget for wedding favours and guest gifts based on the number of guests and per-person spend.
Calculate the ideal RSVP deadline for your wedding or event based on your wedding date and caterer/venue requirements.
Calculate the recommended tip amount for any service — restaurant, taxi, hotel, spa, delivery, and more — based on your country and service quality.
Sports
8 toolsCalculate your golf handicap index from recent scores using the World Handicap System formula.
Calculate current run rate, required run rate, and match projections for cricket innings.
Calculate fantasy sports points for cricket, NFL, soccer, or basketball based on player performance stats.
Convert between decimal, fractional, and American moneyline odds with implied probability and payout calculation.
Calculate potential parlay payout from multiple betting selections (legs) using decimal odds.
Convert betting odds to implied probability and identify value bets by comparing with your own probability estimate.
Calculate cricket or baseball batting average and related performance statistics.
Calculate moneyline bet profit and return for American odds favourites and underdogs.
Parenting
7 toolsEstimate monthly and annual baby formula costs based on your baby's age, formula type, and feeding frequency.
Calculate annual diaper spending by baby age, brand tier, and changes per day, including total cost to potty-training.
Calculate recommended weekly or monthly allowance for children based on age, chores, or a flat-rate system.
Predict a child's adult height from parents' heights using the mid-parental height method.
Calculate school lunch spending for the academic year based on packed lunches vs canteen days.
Calculate recommended daily sleep totals, nap counts, wake windows, and bedtime range for babies and toddlers.
Project your university savings by the time your child turns 18, and see whether your monthly contributions will cover projected tuition costs adjusted for education inflation.