Convert between Absolute (± unit) and Relative (%) uncertainty.
Measurement
Conversion
Equivalent Measurement
120 ± 6.0000
Absolute Uncertainty± 6
Relative Uncertainty5.0000%
Overview
Absolute uncertainty is the margin of error in the same units as the measurement. Relative uncertainty expresses this error as a percentage of the measured value.
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Pro Tips
Use relative uncertainty to compare the precision of measurements with different magnitudes.
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Fun Facts
"Scientific notation often implies uncertainty in the last digit (e.g. 1.20 implies ±0.01 or similar)."
