Percent Error Calculator

Percentage Error Calculator

Want to know how much precise the measurements are? Mycalcu helps you find it through the Percentage error calculator. It is a free online tool that helps you calculate errors in a very easy way.

The change in percentages can be found out through the Percentage Change Calculator

How to calculate error in percentage, using Mycalcu?

  1. Enter the exact value in the first box
  2. Enter the observed measurement in the second box
  3. Click on calculate to get the answer

The formula of change in Percentage

To find the change in Percentage, the below formula is used

Answer = (Exact value – Observed Measurement)/ Exact value * 100


Exact value = 85

Observed Measurement = 56

Answer = (85 - 56)/85 * 100 = 34.12 %