Bending Stress Calculator

Calculate bending stress (flexural stress) in beams using the flexure formula. Compare with allowable stress for design compliance.

Bending Parameters

lb-in

Enter moment in pound-inches (ft-lb Γ— 12)

in
in&sup4;
psi

Bending Stress (Οƒ)

600.00 psi

0.600 ksi | 4.14 MPa

ADEQUATE

Utilization: 2.5% | Safety Factor: 40.00

Bending Stress
600.00 psi
Allowable Stress
24000 psi
Utilization
2.5%
Required Section Modulus
2.08 in³

Flexure Formula

The bending stress at any point in a beam cross-section is calculated using:

Οƒ = Mc/I = M/S

Where: M = bending moment, c = distance from neutral axis, I = moment of inertia, S = section modulus