# What is the percent error if the accepted value is 80g and the measured is 82g?

##### 1 Answer

Feb 8, 2016

*The percent error is basically the fractional deviation from the accepted value.*

The **percent error** is the absolute difference between the measured/approximate and accepted/exact values, relative to the exact value:

#\mathbf(% "Error" = |"Approximate" - "Exact"|/("Exact")xx100%)#

#= |82 - 80|/(80)xx100%#

#= color(blue)(2.5%)#

So the percent error is