Plate Buckling Calculator

Calculate critical buckling stress for flat plates under in-plane compression with various edge support conditions.

Length of plate in loading direction.
mm
Width perpendicular to load. b ≤ a.
mm
Thickness of the plate.
mm
Young's modulus. Steel: 207 GPa.
GPa
Steel: 0.3, Aluminum: 0.33.
SS all edges: 4.0. SS loaded/fixed unloaded: 6.97. Fixed all: 10.0.

Results

Critical Buckling Stress-MPa
Critical Force per Width-N/mm
Total Critical Force-kN
References: Timoshenko — Theory of Elastic Stability; AISC Design Guide