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USA Student Loan Repayment Calculator

USA Tools Free Updated 1 Sep 2026
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ⓘ About this tool 🔄 Last updated 1 Sep 2026 ✓ Reviewed by TopToolAI Team

Estimate your monthly US student loan payment and total interest paid, based on your loan balance, interest rate, and repayment term. A $40,000 loan at 6% interest over a standard 10-year term works out to roughly $444 a month, with total interest over the life of the loan adding up to about $13,300.

How to use USA Student Loan Repayment Calculator

Step-by-step guide to the boxes below. Open it only if you need help.

  1. 1
    Loan balance Number

    The total you owe now.

    Example: 30000

  2. 2
    Interest rate % (annual) Number

    The yearly interest rate on your loan.

    Example: 5.5

  3. 3
    Monthly payment Number

    What you pay or plan to pay each month.

    Example: 300

  4. 4
    Press “Calculate”

    Click the button under the boxes. If something is missing or not valid, a short message tells you which box to fix.

  5. 5
    Read your result

    You see how long repayment takes and the total interest. Change any box and try again to compare different numbers.

USA Student Loan Repayment Calculator FAQs

Does this factor in income-driven repayment plans?
No — this is a standard fixed-payment amortization. Income-driven plans calculate payments differently based on your income.
Can I see how much interest I'll pay in total?
Yes, the total interest over the full loan term is shown alongside your monthly payment.
Does this apply to federal or private loans?
The math works the same for both — just enter your actual balance and rate, whichever type of loan you have.
What happens if I refinance to a lower rate?
A lower rate reduces total interest paid, but refinancing federal loans with a private lender means losing federal protections like income-driven plans and forgiveness programs.

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