Simple Interest Calculator

Calculate the interest earned or paid on a principal amount over time.

In-Depth Guide

Everything you need to know

Unlike compound interest, Simple Interest is calculated only on the principal amount of a loan or investment. It is commonly used for short-term loans and basic savings accounts.

The Formula:

Interest = (Principal × Rate × Time) / 100

This tool handles any time period provided in years. For months, use decimal values (e.g., 6 months = 0.5 years).