Euler buckling calculator for columns

Change the length and end fixings of a steel column to see its buckled shape, effective length, slenderness and Euler critical load against its squash load.

Works in metric or imperial units.

Learn columns properly

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Questions students ask

What is Euler's buckling formula?

Pcr = π²EI / (KL)², where KL is the effective length.

What are the effective length factors?

Pinned both ends 1.0, fixed and pinned 0.7, fixed both ends 0.5, fixed and free 2.0.

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