Finance & Money

Student Loan Calculator - Estimate Payments

Estimate student loan monthly payments, total interest, and total repayment cost.

Created and maintained by: CalcTago Editorial TeamLast updated: 2026-02-13

Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.

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Frequently asked questions

What repayment term should I use?

Common terms are 10 to 20 years, but you can adjust to match your plan.

Does this include deferment or grace periods?

No. This calculator assumes payments start immediately with fixed terms.

Can I pay extra each month?

Extra payments can reduce interest and payoff time. Use the Loan Payoff Calculator to model that.

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About this tool

Inputs

  • Loan balance
  • Interest rate
  • Repayment term

Results

  • Monthly payment
  • Total interest
  • Total paid

Figuring out estimate student loan monthly payments, total interest, and total repayment cost no longer requires manual arithmetic. The Student Loan Calculator walks you through the math step by step. Provide loan balance, interest rate and repayment term to get started. The tool derives monthly payment, total interest and total paid from your entries. Small changes in interest rates or time horizons can dramatically shift outcomes.

Having a dedicated tool to estimate student loan monthly payments, total interest, and total repayment cost saves time you would otherwise spend searching for formulas or setting up a spreadsheet. Common terms are 10 to 20 years, but you can adjust to match your plan. Tax implications can significantly alter net returns, so treat these results as a starting point. If the result surprises you, revisit your inputs — a mistyped digit or wrong unit is usually the culprit. Annuity formulas account for regular contributions alongside compounding.