Statistics

Relative Error Calculator

Find the relative error of a measurement.

Calculated Output

Relative error (%) 0.1019

Absolute error 0.01

Formula: relative error = |measured - true| / |true| * 100

Step-by-Step Breakdown

1. Values used:

2. Measured value = 9.8

3. True value = 9.81

5. Relative error = 0.1019%

6. Absolute error = 0.01

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The math behind it

relative error = absolute error / |true value| * 100. It lets you compare accuracy across scales.

Measured 9.8 vs true 9.81 gives 0.10%.

Relative vs absolute error?

Absolute is the raw difference; relative expresses it as a fraction of the true value.