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Loan Calculator

Calculate your monthly payments, total cost and interest for any loan.

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Enter loan details above to see results.

How it works

1
Enter your loan details

Provide the principal amount, annual interest rate, and the loan duration in months or years.

2
PMT formula applied

The standard amortization formula computes your fixed monthly payment: P × r × (1+r)ⁿ / ((1+r)ⁿ − 1) where r is the monthly rate.

3
Instant breakdown

See your monthly payment, total repayment, total interest, and a visual principal-vs-interest split — all computed locally in your browser.