About the Strain Calculator
Strain from length change, and the stress it implies through Young’s modulus.
Also known as: youngs modulus calculator, elongation calculator, epsilon strain, deformation calculator.
How to use this calculator
- Enter original length, change in length, material.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
ε = ΔL / L₀ · σ = E × ε
Worked example
Using the values pre-filled in the calculator above:
- Original length = 2,000 mm
- Change in length = 1.6 mm
- Material: Steel
the calculator returns:
- Strain: 0.0008
- Strain as a percentage: 0.08 %
- Microstrain: 800 µε
- Implied stress: 160 MPa