Financial Tools

Compound Interest
Calculator

Type your numbers and discover the snowball effect — how time and consistency build extraordinary wealth.

Your parameters
Initial investment
$
Monthly contribution
$ / mo
Annual return rate
%
Time horizon
years
Final balance
Interest earned
Total invested
principal + contributions
Return on investment
on total capital
Growth curve
Balance
Invested
Interest
Growth over time.
Year-by-year breakdown
Year Balance Invested Total gain Yearly gain ROI

"Compound interest is the eighth wonder of the world. He who understands it, earns it; he who doesn't, pays it."

— Albert Einstein