United Kingdom Calculators
Free calculators and financial tools built specifically for United Kingdom.
UK Income Tax Calculator 2024-25
Calculate your UK income tax and take-home pay for 2024/25. Covers England, Wales, NI, and Scottish income tax bands including the personal allowance taper.
OpenUK National Insurance Calculator 2024-25
Calculate your UK National Insurance contributions for 2024/25. Covers Class 1 employee NI and Class 2/4 self-employed NI with accurate rates.
OpenUK Stamp Duty Calculator
Calculate stamp duty (SDLT, LBTT, or LTT) on UK property purchases. The SDLT (England and Northern Ireland), LBTT (Scotland) and LTT (Wales) bands built into the tool are labelled 2026-27. Covers first-time buyers, home movers, and additional properties in England, Scotland, and Wales.
OpenUK Capital Gains Tax Calculator 2026-27
Estimate UK Capital Gains Tax (CGT) on shares, property, or other assets using the 2026-27 figures built into this tool: a £3,000 annual exempt amount and 18% / 24% rates for basic vs higher rate taxpayers.
OpenUK ISA Calculator 2024-25
Project your ISA growth and tax savings for 2024/25. Covers Stocks & Shares ISA, Cash ISA, and Lifetime ISA (LISA) with government bonus and annual allowance limits.
OpenUK Pension Calculator 2024-25
Project your pension pot and retirement income with auto-enrolment contributions, employer contributions, and pension tax relief for 2024/25.
OpenUK State Pension Calculator 2024-25
Estimate your UK State Pension based on qualifying NI years. Uses the 2024/25 full new State Pension of £221.20/week and shows gaps to full entitlement.
OpenUK Lifetime ISA (LISA) Calculator 2024-25
Calculate your Lifetime ISA growth including the 25% government bonus (up to £1,000/year) for first home purchases or retirement savings. 2024/25 rules.
OpenUK Mortgage Calculator 2024-25
Calculate UK mortgage monthly payments, total interest, LTV, and affordability. Covers repayment and interest-only mortgages with the 4.5x income affordability rule.
OpenUK Council Tax Calculator 2024-25
Estimate your UK council tax bill by band (A–H) for England, Scotland, or Wales in 2024/25, including single occupant and student discounts.
OpenUK Child Benefit Calculator 2024-25
Calculate your UK Child Benefit entitlement and High Income Child Benefit Charge (HICBC) for 2024/25. Rates: £25.60/week first child, £16.95 each additional child.
OpenUK Dividend Tax Calculator 2024-25
Calculate UK dividend tax on dividends and salary combinations for 2024/25. Uses the £500 dividend allowance and rates of 8.75%, 33.75%, and 39.35%.
OpenUK Self Assessment Tax Calculator 2024-25
Calculate your Self Assessment tax bill for 2024/25: income tax on self-employed profits, Class 2 and Class 4 NI, plus payments on account estimates.
OpenUK Universal Credit Calculator 2024-25
Estimate your UK Universal Credit entitlement for 2024/25 including standard allowance, child element, work allowance taper, and housing cost element.
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