Compound Interest Calculator
Free, secure, and running entirely in your browser.
The 8th Wonder of the World
Everything you need to know to make the best financial decisions.
How it Works
- Input your principal investment.
- Select the compounding frequency (Annual, Monthly, Daily).
- Watch how interest earning interest creates exponential growth.
The Formula
A = P (1 + r/n)^(nt)
A = Final Amount
P = Principal
r = Annual Interest Rate
n = Compounding Frequency
t = Years
A = Final Amount
P = Principal
r = Annual Interest Rate
n = Compounding Frequency
t = Years
Pro Tip
"The more frequently your money compounds (e.g., daily vs annually), the faster your wealth will grow!"