Stress & Strain Calculator

MECHANICAL

σ = F/A · ε = ΔL/L · σ = E·ε · Young's modulus

MPa μstrain

Applied force (F)

Cross-sectional area (A)

mm²

Stress (psi) — psi

Stress (ksi) — ksi

σ = F / A

Stress increases linearly with force (constant area)

σ = F / A (tensile / compressive)

Original length (L₀)

Change in length (ΔL)

Microstrain (με) — µε

Percent strain — %

ε = ΔL / L₀

Strain is proportional to elongation

Strain = ΔL / L₀

Young's Modulus (E)

GPa

Strain (ε)

mm/mm

Stress (psi) — psi

Stress (ksi) — ksi

σ = E × ε

Linear elastic region (Hooke's law)

Stress (σ)

MPa

Strain (ε)

mm/mm

                            Young's Modulus (E)
                            —
                            GPa
                        

E (ksi) — ksi

E (Mpsi) — Mpsi

E = σ / ε

Young's modulus = stiffness