LoanMath

Loan Term Calculator

How long will it take?

Your figures stay on your computer — no server, no tracking, no registration
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Try: Loan amount=20000, APR=6, Monthly payment=450 → $20,000, 6%, $450, 51, 4.2

How to use

Given the amount, rate and the payment you want to make, this returns the number of months (and years) to clear the loan.

Formula

n = −ln(1 − r·P/PMT) / ln(1+r) months.

FAQ

Payment too low?

If it does not cover the interest, the loan never clears — raise the payment.

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