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Student Loan Calculator with clear assumptions.

See how balance, rate, and repayment term affect the long-run cost of education debt.

How the estimate works

The scheduled payment uses fixed-rate amortization. Extra payments are applied to principal in a monthly payoff simulation.

Important limitation

Income-driven repayment, capitalization, deferment, forgiveness, subsidies, and servicer rules are not modeled. Results are estimates only and are not financial, lending, legal, tax, or investment advice.

Assumptions and review

Formula review: July 29, 2026. This tool uses only the editable values shown above and does not pull live rates, prices, balances, or account data.

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Frequently asked questions

How does the student loan calculator work?

The scheduled payment uses fixed-rate amortization. Extra payments are applied to principal in a monthly payoff simulation.

Is this student loan calculator exact?

No. It is a planning estimate based on the values you enter. Actual rates, fees, timing, taxes, and provider rules can change the result.

Can I change the assumptions?

Yes. Every displayed input is editable so you can compare scenarios instead of relying on a hidden default.