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Error Propagation Tool | Calculate Uncertainty in Measurements

Calculate how measurement uncertainties propagate through addition, subtraction, multiplication, division, and power operations using quadrature rules.

Result

15.0000 ± 0.7810

Value ± Absolute Uncertainty

Absolute Uncertainty

0.7810

Relative Uncertainty

5.21%

Formula Used

δ(A×B) / |A×B| = √((δA/A)² + (δB/B)²)

Explanation

For multiplication, relative uncertainties add in quadrature

Input A

5 ± 0.2

Input B

3 ± 0.1

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