worldofcalcsPercentage Error 📉
Percentage Error
5.0000%
About Percentage Error
Used in science to compare an experimental value to a known theoretical value. Percentage Difference is used when comparing two experimental values where neither is considered "correct".
Formulas
% Error: |Approx - Exact| / |Exact| × 100%
% Difference: |V1 - V2| / ((V1 + V2)/2) × 100%
When to Use
- % Error: When you know the true value (e.g., gravity = 9.81 m/s²).
- % Difference: When comparing two measurements (e.g., two trials).