Finance
Interest Calculator
Calculate simple interest or compound interest on any principal amount, and see exactly how much interest you'll earn — or owe — over time.
Total Interest Earned
₹40,000
Principal Amount
₹1,00,000
Total Payable Amount
₹1,40,000
How to Use the Interest Calculator
- 1Choose the “Simple Interest” or “Compound Interest” tab based on your need.
- 2Enter the principal amount, annual interest rate and time period.
- 3For compound interest, also select how often interest compounds (annually, semi-annually, quarterly or monthly).
- 4Your interest earned and total payable amount appear instantly.
Interest Formulas Used
- Simple Interest: SI = (P × R × T) ÷ 100
- Compound Interest: A = P × (1 + r/n)n×t, where r is the annual rate, n is the number of compounding periods per year, and t is time in years. Interest earned = A − P.