Compound Interest
See how an investment grows with compounding over time.
Enter values
$
% p.a.
years
—
—
The formula
A = P × (1 + r/n)^(n·t)
All calculations run locally in your browser and update instantly as you type.
Related calculators
Frequently asked questions
What does compounding frequency change?+
More frequent compounding (e.g. monthly vs yearly) earns slightly more interest because interest is added to the balance sooner.
All calculations run locally in your browser. Nothing you type is sent to a server.