Percentage Error Calculator

Calculate the percentage error between an estimated (measured) value and the exact (theoretical) value. Essential for chemistry and physics labs to determine the accuracy of your results.

Percentage Error Calculator

How to Use

  1. 1

    Enter Estimated Value

    Input your approximate, measured, or estimated value.

  2. 2

    Enter Exact Value

    Input the accepted, theoretical, or exact value.

  3. 3

    Calculate

    Click calculate to see the percentage error, which shows how far off your estimate is from the real value.

Frequently Asked Questions

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