OhMyCalc

Simple Interest Calculator

Calculate simple interest on a principal amount over a given period. See total interest earned, final amount, and monthly interest.

How to Use the Simple Interest Calculator

  1. Enter the required financial values such as amount, rate, or term.
  2. Adjust additional parameters if available (e.g., down payment, fees).
  3. The result updates automatically as you type.
  4. Review the calculated figures including breakdowns and totals.

クイックリファレンス

変換元変換先
$1,000 · 5% · 1yr$1,050
$5,000 · 4% · 3yr$5,624
$10,000 · 6% · 5yr$13,382
$10,000 · 3% · 10yr$13,439
$25,000 · 5% · 10yr$40,722
$50,000 · 7% · 20yr$193,484

使用例

計算式

Interest = Principal × Rate × Time / 100. Total = Principal + Interest. Monthly Interest = Interest / (Years × 12).

よくある質問

How to use?
Enter the data and click the calculate button.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.