0 percent error
โ
Absolute error
โ
Relative error
Percent error = |observed โ true| รท |true| ร 100. It shows how close a measured value is to the accepted value.
Frequently Asked Questions
How do you calculate percent error?
Subtract the true value from the observed value, take the absolute value, divide by the absolute true value, then multiply by 100: |observed โ true| รท |true| ร 100.
Calculate percent error between a measured value and the true value.