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Simple Interest Calculator

Calculate simple interest on your investments

How Simple Interest Works

Simple interest is calculated only on the principal amount throughout the entire time period, without compounding. It's commonly used for short-term loans and investments.

Enter the principal amount (initial investment)
Specify the annual interest rate in percentage
Enter the time period in years
Click "Calculate Interest" to see results
Copy results for your records or sharing
Simple Interest Formula:
I = P × R × T / 100
I = Simple Interest
P = Principal Amount
R = Rate of Interest (% per annum)
T = Time Period (years)
Common Applications:
Personal Loans: Short-term borrowing calculations
Fixed Deposits: Interest on non-compounding investments
Education Loans: Simple interest calculations
Car Loans: Short to medium-term financing
Savings Accounts: Basic interest calculations