Compound Interest Calculator
Interest on interest, any compounding.
Maturity amount
₹1,48,595
Interest
₹48,595
Effective yearly rate
8.24%
Formula
A = P × (1 + r/n)^(n×t). Use n = 1 for yearly, 4 for quarterly (most bank FDs), 12 for monthly.
Power of compounding
The more often interest is added, and the longer you stay invested, the faster money grows.
Frequently asked questions
What is the rule of 72?
Divide 72 by the interest rate to estimate the years to double your money — at 8% it's about 9 years.
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Results are estimates for planning only. Confirm final figures with your bank or a tax advisor.
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