This Percent Error Calculator performs calculation of the percentage error between a measured value and an actual (theoretical) value. Enter the values of any two parameters in the fields of the calculator and find the third parameter of the percent error formula.
Percent Error Definition
The percent error is equal to the difference between the actual (or exact) value (Va) and the measured (or approximated) value (Vm) divided by the actual value times 100%:
Percent error = (Vm – Va) / Va × 100%
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