Question 1

Is percent error the same as percent difference?

Accepted Answer

Percent difference often uses the average of two values as denominator when no true value exists.

Question 2

Can percent error exceed 100%?

Accepted Answer

Yes — when the experimental value is more than double the accepted magnitude.

Question 3

Should I use absolute value?

Accepted Answer

Standard percent error reports magnitude of deviation; sign is discussed separately in error analysis.

Percent Error Calculator

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