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.
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
-
Enter Total Student Loan Principal
Input total borrowed balance. -
Enter Interest Rate (APR %)
Input weighted average interest rate. -
Select Repayment Term
Choose 10-year standard or extended term. -
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
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Next step: browse the full Student Loans calculators or read the related guides for context before you decide.