Personal Loan Calculator

Estimate the monthly payment and total cost of a personal loan.

Your details

Loan amount$APR%Term (years)3

Monthly payment

$491.08

Total interest: $2,678.91
Total cost: $17,678.91

Principal vs interest

Principal: $15,000.0085%
Interest: $2,678.9115%

Monthly payment$491.08

Formula

Amortized payment M = P·r(1+r)^n / ((1+r)^n − 1), with r the monthly rate and n the number of payments.

Sources & methodology

•Consumer Financial Protection Bureau — CFPB

Last updated: 2026-07-19

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APR vs Interest Rate: What's the Difference?They sound the same but they aren't. Knowing the difference is how you actually compare loan offers apples-to-apples.

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