Poisson Ratio Calculator

Poisson's Ratio Calculator are physic/math calculator to find Poisson's ratio, transverse strain or longitudinal or axial strain fast and easy.

Features:
- Instant calculation
- Result are copy able to other app
- Formula are include as reference
- Support up to 16 decimal place
- Support various unit for each input

Poisson's ratio is the ratio of the relative contraction strain (transverse, lateral or radial strain) normal to the applied load - to the relative extension strain (or axial strain) in the direction of the applied load

Poisson's Ratio can be expressed as

μ = - ( εt / εl )

where :
μ = Poisson's ratio
εt = transverse strain (m/m, ft/ft)
εl = longitudinal or axial strain (m/m, ft/ft)

Poisson’s ratio, named after Siméon Poisson, is the negative ratio of transverse to axial strain. When a material is compressed in one direction, it usually tends to expand in the other two directions perpendicular to the direction of compression. This phenomenon is called the Poisson effect. Poisson’s ratio (nu) is a measure of this effect. The Poisson ratio is the fraction (or percent) of expansion divided by the fraction (or percent) of compression, for small values of these changes.

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