Percent Error Calculator
How to Calculate Percent Error
Percent error measures how far a measured value is from the actual (accepted) value.
Percent Error = |Measured − Actual| / |Actual| × 100
For example, if the actual value is 50 and you measured 48:
Example: Measured value: 9.5, Actual value: 10. What is the percent error?
|9.5 − 10| ÷ 10 × 100 = 5%