Error Propagation Calculator
Propagates the uncertainties of two measured values through addition, subtraction, multiplication, division or a power, using the standard quadrature rules.
Read the full guide to this tool
Results
Notes
- Adding or subtracting adds absolute uncertainties in quadrature; multiplying or dividing adds relative uncertainties in quadrature.
- Subtracting two close numbers can blow up the relative uncertainty, the classic loss-of-significance trap.
Related tools
Percent Error Calculator
Percent error against a true value, or percent difference.
Radioactive Decay & Half-Life Calculator
Amount remaining, activity and radiometric dating.
Coulomb's Law Calculator
Electrostatic force between two charges.
Doppler Effect Calculator
Observed frequency for a moving source or observer.
Lens & Mirror Equation Calculator
Image distance and magnification from 1/f = 1/dₒ + 1/dᵢ.
Photon Energy Calculator (E = hf)
Energy, frequency and wavelength of a photon.