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Student Loan Payoff Calculator

Calculate your monthly student loan payment, total interest, and payoff date — with comparison of standard, extended, and income-driven repayment plans.

Monthly payment
$398
Total interest$12,776
Total paid$47,776
Payoff time10yr 0mo

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How to use this calculator

  1. 1

    Enter your outstanding loan balance and interest rate — Federal Direct Unsubsidized loans for undergrads have a 6.54% rate in 2024-25.

  2. 2

    Choose your repayment plan — Standard (10 years) costs the least in interest; Extended (25 years) has lower monthly payments.

  3. 3

    Add an extra monthly payment to see how much faster you can pay off the loan and the total interest saved.

  4. 4

    Income-driven plans (SAVE, PAYE, IBR) are not included — payment amounts vary by income and family size.

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Frequently asked questions

What are the current federal student loan interest rates?

For 2024-25: Direct Subsidized/Unsubsidized (undergraduate): 6.53%. Direct Unsubsidized (graduate): 8.08%. Direct PLUS (parents/grad): 9.08%. These rates are set annually by Congress based on the 10-year Treasury note yield plus a fixed add-on.

What is the SAVE plan?

SAVE (Saving on a Valuable Education) is the newest income-driven repayment plan. Payments are 5% of discretionary income for undergraduate loans (10% for grad). Unpaid interest doesn't capitalize. After 10–25 years, the remaining balance is forgiven (tax-free through 2025). SAVE is paused and in litigation as of 2024 — check studentaid.gov for current status.

Can I deduct student loan interest on my taxes?

Yes — you can deduct up to $2,500 of student loan interest paid annually on federal taxes. This deduction is available even if you don't itemize (it's an above-the-line adjustment). It phases out for single filers with MAGI $75,000–$90,000 and MFJ $155,000–$185,000 in 2024.

Should I pay off student loans or invest?

If your loan rate is under 5%, investing often wins (stock market has historically returned ~7–10% annually). If your rate is above 7%, aggressive payoff is usually better. Between 5–7%, it's roughly equal — factor in job stability, risk tolerance, and tax deductibility. Always capture any employer 401(k) match before making extra loan payments.

About student loan payoff calculator

Student Loan Payoff Calculator — Interest and time savings

How to use the student loan payoff

Use this student loan payoff to your monthly student loan payment, total interest, and payoff date — with comparison of standard, extended, and income-driven repayment plans. Enter your values above and get your result in seconds. The tool is free, works on all devices, and keeps your data private — nothing is stored or shared.

How the student loan payoff works

The student loan payoff calculator uses standard formulas used in financial planning, budgeting, and investment decisions. Enter your inputs, and the tool calculates the result instantly in your browser. No server-side processing means your data stays on your device. Results update in real time as you change inputs.

Standard vs income-driven repayment

Standard 10-year repayment has the highest monthly payment but lowest total interest. Extended (25-year) cuts the payment but more than doubles total interest. Income-driven plans (SAVE, IBR, PAYE) base payments on income — ideal if payments would otherwise be unaffordable. But IDR plans can result in 20–25 years of payments before forgiveness, with significant total interest paid.

The power of extra payments

Paying $100 extra monthly on a $35,000 loan at 6.54% cuts the payoff from 10 years to about 7.5 years — saving over $4,500 in interest. Because federal student loans have no prepayment penalty, extra payments go directly to principal. Even $25–50 extra per month meaningfully accelerates payoff and reduces lifetime interest.

Student Loan Payoff Calculator – Utinzo

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Results are estimates for informational purposes only and do not constitute professional financial, medical, legal, or technical advice. Read full disclaimer →

Student Loan Payoff Calculator – Free Finance Tool | Utinzo