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Column Design Calculator

Design columns with P-M interaction and slenderness analysis

ACI 318-19DPT 1008-61Slenderness & Capacity Ratio
Calculation results are decision-support tools. The design engineer must review and verify all results independently.

Geometry

Unbraced lengths

Usually equal to beam-to-beam height

Loads

Use factored values (e.g. 1.2D+1.6L) in kN / kN·m; convert service loads to factored first

End conditions

Materials

Design Code

Fill in the form on the left and click Calculate to see results