COMPOUND INTEREST CALCULATOR
1. Enter the initial investment amount*
$
2. Enter the annual interest rate*
%
3. Enter the total number of years*
4. Compounding periods per year*
5. Annual Contribution*
$
Growth Over Time
The gray band is your starting investment. The lighter-blue band is every dollar you contributed along the way. The brand-blue band on top is interest earned — the gap between what you put in and what your account is worth. That gap widens faster every year. That’s compounding.
Fill in Initial Investment, Interest Rate, and Number of Years to see the growth chart.