Interest Calculator

Simple Interest Calculator

Calculate simple interest on your loans, savings, or investments instantly. Know your total interest and maturity amount with just a few clicks.

Enter Your Details

Fill in the fields below to calculate simple interest

%
Enter time in years, months, or days
Simple Interest (non-compounding)
Simple interest is calculated only on the principal amount.

Your Interest Calculation Results

Enter your principal, rate, and time to see the simple interest and total amount.

Interest earned/paid Total maturity amount Daily, monthly, yearly breakdown

Simple Interest Formula

SI = (P × R × T) / 100
Where P = Principal, R = Rate of interest, T = Time period

When to Use Simple Interest

Simple interest is commonly used for short-term loans, car loans, and some types of fixed deposits. It's easy to calculate and understand.