Compound Interest Calculator

Calculate compound interest on your investment or loan. See how your money grows with the power of compounding over time.

What is Compound Interest?

Compound interest is interest calculated on the initial principal, which also includes all accumulated interest from previous periods. Unlike simple interest, compound interest grows exponentially over time, making it a powerful tool for long-term wealth building.

Compound Interest Formula

A = P(1 + r/n)^(nt), where A is the final amount, P is principal, r is annual interest rate, n is compounding frequency per year, and t is time in years.