Percentage Error Calculator
Compare an experimental value with a non-zero theoretical value.
01 / inputs
value
value
02 / result
PERCENTAGE ERROR
2%
- Percentage error
- 2%
- Theoretical value
- 100
Calculation trace
- |98 − 100| = 22Absolute difference
- 2 ÷ |100| × 100 = 2%2 %Percentage error
§
SOURCES
- National Institute of Standards and Technology (NIST)NIST/SEMATECH e-Handbook of Statistical Methods ↗
Relative and percentage error between a measured and a reference value
Accessed 2026-08-20