FreeByte

Effective annual rate calculator

Turn a nominal rate into what you actually earn.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
6%

Effective annual rate

6.168%

Uplift over nominal

0.168%

With these inputs, effective annual rate comes to 6.168%. Uplift over nominal works out to 0.168%. The result assumes nominal rate stays at 6%.

Per-period rate
0.5000%

What moves the number · Effective annual rate

Input−10%Now+10%
Nominal rate5.536%6.168%6.803%
Compounds per year6.166%6.168%6.169%

Solve for an input

Whatmakesequal

Compare scenarios

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Turn a nominal rate into what you actually earn.

A worked example

Starting figures

Nominal rate
6%
Compounds per year
12

What it returns

Effective annual rate
6.168%
Uplift over nominal
0.168%
Per-period rate
0.5000%

How to read the results

With the defaults above, effective annual rate works out at 6.168%.

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