Simple Interest Calculator 計算機

此計算機用於 Calculate simple interest and ending balance from principal, annual rate, and time.

Finance 更新 2026-05-11

輸入

Principal ($) Annual rate (%) Years

Interest ($) 輸入數值後計算。

Total ($) 輸入數值後計算。

simple interest = principal x rate x years.

此計算機用於 Calculate simple interest and ending balance from principal, annual rate, and time.

2500 at 6% simple interest for 3 years earns 450.

Simple interest does not add earned interest back into principal.

Use compound interest for most savings and loan comparisons.

What inputs does this calculator need?

Principal, Annual rate, 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.