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Math calculator

Percent Error Calculator

Compare measured vs actual values.

Percent error 100 × |measured − actual| / |actual|
Math calculator

Percent Error Calculator

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Enter values to calculate.

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How to use

Follow these steps for a clear answer.

1

Enter the known values

Fill in the fields for your calculation.

2

Choose a mode if available

Use the tabs when multiple directions are offered.

3

Read the result

The result updates as you type.

Frequently asked questions

Key distinctions behind the calculation.

How does the Percent Error calculation work?

It uses the formula 100 × |measured − actual| / |actual|.