Loan Payment Calculator 計算機

此計算機用於 Estimate a fixed monthly loan payment, total paid, and interest paid from principal, APR, and term.

Finance 更新 2026-05-11

輸入

Principal ($) APR (%) Years

Monthly payment ($) 輸入數值後計算。

Total paid ($) 輸入數值後計算。

Interest paid ($) 輸入數值後計算。

monthly payment = P x r / (1 - (1 + r)^-n), where r is monthly rate and n is number of months.

此計算機用於 Estimate a fixed monthly loan payment, total paid, and interest paid from principal, APR, and term.

15000 at 7.5% for 5 years is about 300.57 per month.

Fees and insurance are not included unless you add them to principal.

APR, compounding, and payment timing can change lender disclosures.

What inputs does this calculator need?

Principal, APR, Years.

How should I round the result?

Keep extra digits while comparing values, then round for the final decision or report.

Can I reuse the result in another calculation?

Yes, but preserve the original inputs and units so the next calculation stays traceable.