Compound Interest Calculator
Use this free compound interest calculator to estimate how your money can grow over time with interest that compounds.
How to use this calculator
Enter your starting amount, annual interest rate, number of years, and compounding frequency. The calculator will estimate your final balance and total interest earned.
About this calculator
Compound interest is interest earned on both your original money and the interest that has already been added. Over time, this can help savings and investments grow faster.
Frequently Asked Questions
Is this compound interest calculator free?
Yes. This calculator is free to use.
Does this calculator include monthly contributions?
Not yet. This version calculates compound growth from a starting amount only. We can add monthly contributions later.