Simple Interest Calculator
Calculate simple interest instantly using SI = P × R × T / 100. See interest earned and total maturity amount for any principal, rate and tenure.
How to Use
Enter principal, annual rate and time. The calculator applies SI = P × R × T / 100 and shows the maturity amount.
Use Cases
- Short-term loans: Estimate interest on a car loan or personal loan that uses simple interest.
- Deposit interest: Work out earnings on an SI-based fixed deposit.
- School math problems: Verify answers to SI word problems.