Coef. Poisson
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
Poisson
About this calculator
The Poisson's Ratio Calculator is a useful tool for mechanical and physics engineers who need to calculate the material's resistance to shear stress. Poisson's Ratio is an important measure to understand how a material behaves under orthogonal tensile stresses.
The formula to calculate Poisson's Ratio is straightforward: ν = −ε_lat/ε_long. This means you need to know the lateral (ε_lat) and longitudinal (ε_long) deformations to calculate the ratio. The calculator performs these calculations for you, making the process faster and easier.
Poisson's Ratio is crucial in various mechanical engineering applications, such as structure, material, and component design. Additionally, consider the material and its properties when calculating Poisson's Ratio.
Remember that the accuracy of the result depends on the accuracy of the input data. Ensure you have entered the correct values for the lateral and longitudinal deformations. If you have any questions, read the FAQ section below.
Frequently asked questions
What is Poisson's Ratio?
Poisson's Ratio is a measure of a material's resistance to shear stress. It helps to understand how a material behaves under orthogonal tensile stresses.
When to use the Poisson's Ratio Calculator?
Use the calculator to design structures, materials, and components, or to understand how a material behaves under orthogonal tensile stresses.
Why is it important to consider the material and its properties when calculating Poisson's Ratio?
The material and its properties significantly affect the Poisson's Ratio. It is crucial to consider them to obtain accurate results.
What to do if I have any questions about the Poisson's Ratio Calculator?
If you have any questions, read the FAQ section below or contact us.
Is the Poisson's Ratio Calculator accurate?
The accuracy of the calculator depends on the accuracy of the input data. Ensure you have entered the correct values for the lateral and longitudinal deformations.