Loan Calculator

Why use Loan Calculator?

Loan Calculator gives you accurate results instantly, with the underlying formula shown so you can trust the numbers.

• Runs instantly in your browser — nothing to install, nothing uploaded.
• Completely free, with no account, no watermarks and no usage limits.
• Handles M = P × [r(1 + r)^n] / [(1 + r)^n − 1]; Zero interest: monthly payment = principal ÷ number of payments.
• Enter the loan amount, annual interest rate and term (in years or months).
• Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use Loan Calculator

1. Enter the loan amount, annual interest rate and term (in years or months).
2. Optionally add extra monthly payments, a one-time payment, fees and a start date.
3. See the monthly payment, totals, payoff date and interest-to-principal split instantly.
4. Expand the amortization schedule, download it as CSV, or share a link with your inputs.

Examples

• A $25,000 loan at 6.5% over 5 years → about $489/month.
• Adding $100 extra per month to see interest and months saved.

Formulas

• M = P × [r(1 + r)^n] / [(1 + r)^n − 1]
• Zero interest: monthly payment = principal ÷ number of payments

Limitations

• Estimates only — actual lender payments, fees, compounding and rounding may differ.
• Currency selection changes formatting only; no currency conversion is performed.
• This is not financial advice or a loan offer.