Write The Equation That Is Used To Calculate Percentage Error.

What is Percentage Error and Why It Matters

Percentage error is a measure of the difference between an actual and a calculated value, expressed as a percentage of the actual value…

How to Use This Calculator

1. Enter the actual value in the ‘Actual Value’ field.
2. Enter the calculated value in the ‘Calculated Value’ field.
3. Click the ‘Calculate’ button.

Formula & Methodology

The formula to calculate percentage error is:

Percentage Error = [(Calculated Value – Actual Value) / Actual Value] x 100

Real-World Examples

Data & Statistics

Comparison of Actual and Calculated Values

Actual Value	Calculated Value	Percentage Error

Expert Tips

• Always round your calculated value to the same number of decimal places as your actual value.
• Percentage error is not meaningful if the actual value is close to zero.

Interactive FAQ

What is the difference between percentage error and absolute error?

Percentage error is a measure of the difference between an actual and a calculated value, expressed as a percentage of the actual value…

For more information, see the U.S. Government’s guide on percentage error and the statistics guide from Example University.