Mechanical Engineering
Stress Calculator
⚡ σ = F / A
Calculate stress, strain, and modulus of elasticity in materials.
Stress (σ)
Force (F)
N
Applied force in newtons
Cross-Sectional Area (A)
mm²
Cross-sectional area in square millimeters
Stress (σ)
MPa
Stress in megapascals (MPa)
Strain & Modulus
Strain (ε)
—
Strain (dimensionless, ΔL / L)
Young's Modulus (E)
MPa
Young's modulus in megapascals (MPa)
σ
=
F
/
A
|
E
=
σ
/
ε
Stress
0MPa
Calculated Stress
0 MPa
σ = F / A
Force (F)
0 N
Area (A)
0 mm²
Stress (σ)
0 MPa
Young's Modulus (E)
0 MPa
📊 Detailed Breakdown
| Quantity | Value | Formula |
|---|
How the formula works
σ = F / A | ε = ΔL / L | E = σ / ε
- Stress (σ) = Force / Cross-Sectional Area
- Strain (ε) = Change in Length / Original Length (dimensionless)
- Young's Modulus (E) = Stress / Strain (within elastic limit)
- Enter any two values to calculate the third
- Units: Force (N), Area (mm²), Stress (MPa), Strain (dimensionless), Modulus (MPa)
- 1 MPa = 1 N/mm²
- Common materials: Steel (E ≈ 200,000 MPa), Aluminum (E ≈ 70,000 MPa)