FreeByte

Implied interest rate calculator

The rate that turned one balance into another.

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

Annualised rate

6.05%

Total growth

60.0%

With these inputs, annualised rate comes to 6.05% over 8 years. Total growth works out to 60.0%.

Over time · by years

What moves the number · Annualised rate

Input−10%Now+10%
Starting value7.46%6.05%4.80%
Ending value4.66%6.05%7.32%
Years6.75%6.05%5.49%

Solve for an input

Whatmakesequal

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The rate that turned one balance into another.

A worked example

Starting figures

Starting value
$10,000
Ending value
$16,000
Years
8

What it returns

Annualised rate
6.05%
Total growth
60.0%

How to read the results

With the defaults above, annualised rate works out at 6.05%.

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