Simple Interest Calculator
Simple interest = principal × rate × time ÷ 100, with time in years. ₹10,000 at 5% for 3 years earns ₹1,500 in simple interest, for a total of ₹11,500.
How to use the Simple Interest Calculator
- Enter the principal.
- Enter the annual interest rate.
- Enter the time and choose years, months or days.
Examples
₹10,000 at 5% for 3 years
Input: P=10,000, R=5, T=3
Result: SI ₹1,500; amount ₹11,500
Frequently asked questions
Simple vs compound interest?
Simple interest is earned only on the principal; compound interest is also earned on past interest, so it grows faster over time.
How do I use months or days?
Convert to years: months ÷ 12, or days ÷ 365. The calculator does this for you.
Learn more
Estimates, not tax or legal advice. Results come from the published rules for the cases this calculator covers; your own circumstances can change them.
Last checked 2026-10-30 by the TakeHomeWorld editors · How we calculate and check rates · Runs entirely in your browser; nothing you type is stored.