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Percent Error Calculator - Multi-Tools

Percent Error Calculator

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What is Percent Error?

Percent error is the difference between the experimental and theoretical value, divided by the theoretical value, multiplied by 100.

The value obtained from your experiment or measurement.
The expected or accepted value.
Optional: Enter the units of measurement.

Result

How to Calculate Percent Error

The formula for percent error is:

Percent Error = |(Experimental Value - Theoretical Value) / Theoretical Value| × 100%

Where:

  • | | represents the absolute value
  • Experimental Value is the value you measured
  • Theoretical Value is the expected value
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