Student Loans

Student Loan Payment Calculator

Calculate monthly student loan payments, total interest, and amortization schedules for federal Direct loans and private student debt.

What this calculator does

The Student Loan Payment Calculator estimates your result instantly from the values you enter, using standard student loans formulas. Calculate monthly student loan payments, total interest, and amortization schedules for federal Direct loans and private student debt. Calculations run in your browser, so nothing you type is sent to a server, and the output is an estimate for planning rather than financial advice.

Student Loan Payment Calculator Results

$0.00

Monthly Payment

  • Total Interest Paid —
  • Total Repaid —

What This Means

About Student Loan Payment Calculator

The Student Loan Payment Calculator computes monthly payments, total interest, and full 10 to 25-year repayment schedules for undergraduate and graduate student loans.

Formula & Mathematical Calculation

Monthly Student Loan Payment = P × [ r(1 + r)^n ] / [ (1 + r)^n - 1 ]

Calculation Example

$35,000 Student Loan @ 6.5% (10-Year Standard, 120 Months): Monthly Payment = $397.41/month. Total Interest Paid = $12,689.47.

Key Benefits

  • Calculates monthly payments across 5, 10, 15, 20, and 25-year loan terms
  • Supports federal Direct Subsidized/Unsubsidized and private student loans
  • Generates complete month-by-month amortization breakdown
  • Shows impact of interest capitalization during grace periods
  • 100% free education loan tool

How to Use this Calculator

  1. Enter Total Student Loan Principal
    Input total borrowed balance.
  2. Enter Interest Rate (APR %)
    Input weighted average interest rate.
  3. Select Repayment Term
    Choose 10-year standard or extended term.
  4. Calculate Payment
    Click Calculate to view monthly payment and total interest.

Assumptions & Limitations

What the calculation assumes

  • Every value you enter is treated as an exact, known amount.
  • Rates and contributions are assumed to stay constant for the whole period unless the form asks for them separately.
  • Results use standard financial formulas and ignore fees, penalties and promotional terms that are not entered above.
  • Inflation, tax changes and market volatility are not modelled unless a field for them is provided.
  • Amounts are unit-agnostic: results are returned in the same currency you enter.

What it does not cover

  • Student Loan Payment Calculator produces estimates for education and planning, not a quote, offer or professional advice.
  • Real-world outcomes differ when fees, taxes, rounding rules or provider-specific terms apply.
  • Local regulations and tax rules vary by country and change over time; verify current rules for your jurisdiction.
  • Figures are only as accurate as the inputs you supply — check them before acting on the result.
  • For decisions with lasting financial impact, confirm the numbers with a qualified professional.

Frequently Asked Questions

The tool uses the standard amortization formula: it converts your annual rate to a monthly rate, then computes a level payment that fully retires the principal over the chosen term in months. That payment is the same amount every month across the entire schedule.

Total repaid is your monthly payment multiplied by the number of months in the term. Total interest is that total repaid minus the original loan balance, which is the extra cost of borrowing. For a zero interest rate the two are equal and interest is zero.

A longer term lowers your monthly payment but spreads interest over more months, so total interest usually rises. A shorter term increases the monthly payment but can substantially reduce the total interest paid over the life of the loan.

It assumes a fixed balance, a fixed annual interest rate, and a fixed repayment term, producing a level monthly payment. It does not model income-driven plans, refinancing mid-term, extra prepayments, or variable rate adjustments that federal or private lenders may apply.

Free to use, no account needed. Calculations run in your browser, so nothing you type is sent to a server. Results are estimates — how we build and check our calculators.

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Next step: browse the full Student Loans calculators or read the related guides for context before you decide.