Simple Interest Calculator

Calculate simple interest on loans and investments quickly and accurately

Simple Interest Formula

Simple Interest (SI) = (P × R × T) / 100
Where:
P = Principal Amount
R = Rate of Interest (% per annum)
T = Time Period (in years)

About Simple Interest

Simple interest is calculated only on the principal amount. It doesn't compound over time, making it different from compound interest. Simple interest is commonly used for short-term loans and investments.