Compound vs Simple Interest
See how much more (or less) compound interest returns compared to simple interest.
How to use
Compound interest reinvests earned interest; simple interest applies only to the original principal each period.
Formula
Compound: A = P(1 + r/n)nt · Simple: A = P(1 + rt)
Frequently asked questions
Do you store the numbers I enter?
Calculations run in your browser. Inputs are not sent to our servers.
Are the results guaranteed accurate?
Standard formulas are used. Double-check important decisions with a professional or official source.