Skip to content
RiverMathRiverMath

Effective annual rate (EAR)

EAR = (1 + nominal rate / n)^n − 1, where n is the number of compounding periods per year. A 12% nominal rate compounded monthly equals an effective annual rate of 12.68%.

Stated annual interest rate before intra-year compounding.
%
How many times interest compounds per year — 12 for monthly, 4 for quarterly, 365 for daily.

Effective annual rate (EAR)
12.68%

The link may contain your inputs. Anyone receiving it can read them.

The more frequently interest is compounded, the higher the effective annual yield or cost.

Recent on this calculator

Full history

Stored strictly in this browser’s local storage. Clicking an entry reloads the parameters into the calculator URL; sharing the link exposes those inputs to the recipient.

No saved calculations yet. Use any calculator and your recent results will appear here.

Educational estimate only. Not medical, tax, legal or financial advice.

Related calculators