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Relative Error Calculator

Formula

The formula for calculating the Relative Error is:

$RE = \frac{|AV - MV|}{AV} \times 100$

Where:

$RE$ is the relative error (%)
$AV$ is the actual value
$MV$ is the measured value

What is Relative Error?

Relative error is a measure of how close a measured value is to the true theoretical value. In the case of chemistry, this could be the measured mass compared to the actual mass of a reaction. It is often used to assess the accuracy of measurements and experiments.

Example Calculation

Let's assume the following values:

Actual Value (AV) = 100
Measured Value (MV) = 95

Using the formula to calculate the Relative Error:

$RE = \frac{|100 - 95|}{100} \times 100 = \frac{5}{100} \times 100 = 5\%$

The Relative Error is 5%.