Compound Interest Calculator
See how your savings grow over time and why starting early makes such a big difference.
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Enter Your Savings Details
Enter a starting amount, interest rate, and time horizon to see how compound interest grows your money.
$
$
%
Final Balance
$0
Total Contributed
$0
Interest Earned
$0
Starting principal
$0
Total contributions over period
$0
Interest rate (APY)
0%
Time period
0 years
Year-by-Year Growth
| Year | Balance | Total Contributed | Interest Earned |
|---|
The earlier you start, the better. Even small amounts invested consistently can grow significantly over decades. Try comparing 10 years vs. 30 years with the same inputs to see the difference compounding makes.