Compound Interest Calculator
Project investment growth using principal, rate, tenure, and compounding frequency.
Frequently Asked Questions
What is compound interest?
Compound interest is interest calculated on both the initial principal and the accumulated interest. Einstein reportedly called it the eighth wonder of the world.
What is the Rule of 72?
Divide 72 by the annual interest rate to estimate how many years it takes to double your money. At 8% per year: 72/8 = 9 years.