How does the Poissons Ratio Calculator work?

Input material properties: Young's modulus and shear modulus Then: Calculate Poisson's ratio: ν = (E-2G)/(2E) Then: Results show lateral deformation under load.

Can you give an example of how to use the Poissons Ratio Calculator?

Example: Input Rubber: ν ≈ 0.5 (incompressible) gives a result of Steel: ν ≈ 0.3 (some volume change).

Is the Poissons Ratio Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Poissons Ratio Calculator?

Our Poissons Ratio Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Poissons Ratio Calculator

Poisson's Ratio Calculator

Lateral Strain

Axial Strain

Poisson's ratio (ν) = transverse strain / axial strain: ratio of shrinkage perpendicular to stress; typically 0.2-0.5.

Symbol	Name	Unit	Description
E	E value	—	Variable used in the calculation

Difficulty:intermediate

References

›Poissons Ratio — Wikipedia

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Poissons Ratio Calculator

Poisson's Ratio Calculator

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Poisson's Ratio Calculator