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Home / Math Calculators / Percent Error Calculator Percent Absolute errors do not always give an indication of how important the error may be.

Once you find the absolute value of the difference between the approximate value and exact value, all you need to do is to divide it by the exact value and multiply Flag as... The relative error expresses the "relative size of the error" of the measurement in relation to the measurement itself. Ways to Improve Accuracy in Measurement 1.

The accepted value is 65, so your percent error is 15/65 = 0.2307 = 0.2307/1 = (0.2307 × 100)/(1 × 100) = 23.07/100 = 23.07% Percent error word problem #2 A The difference between two measurements is called a variation in the measurements. Repeat the same measure several times to get a good average value. 4.