About the Compound Interest Calculator
Compound interest means you earn interest on your interest. The more often it compounds and the longer you stay invested, the faster your money grows.
Enter the principal, rate, years and compounding frequency to see the final amount.
Formula used
A = P × (1 + r / (100 × n))^(n × t), where n is the number of compounding periods per year.
Frequently asked questions
Does compounding more often help?
Yes, but the difference is small compared with the effect of the rate and the time.
What compounding do FDs use?
Most Indian bank FDs compound quarterly.
What is the rule of 72?
Divide 72 by the yearly rate to estimate how many years it takes to double your money.