Statistics & Probability
Instant, private, and free
Relative Error Calculator.
Calculate signed and absolute relative error against a reference.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
relativeError: -0.02
absoluteRelativeError: 0.02
relativeErrorPercent: -2
Signed relative error is (estimate − reference)/reference; the percentage is signed and the absolute result is also reported.
Results update automatically as you type.
FAQs
What statistical contract is used?
Calculate signed and absolute relative error against a reference. The page states its exact formula and does not infer a distribution, p-value, or suitability claim.