Beam Bending Moment Calculator

Calculate bending moment diagrams for simply supported, cantilever, and continuous beams. Point loads, UDL, and moment loads. Maximum bending moment and location. Positive hogging/sagging convention. Steel and concrete beam design moments.

2D stress state at a point. All stresses in MPa.

σx — Normal Stress X (MPa)
σy — Normal Stress Y (MPa)
τxy — Shear Stress (MPa)
⚙ Mechanical Note: Results are based on standard textbook formulas and ISO/AASHTO references. Always verify critical designs with applicable codes (ISO 898, AASHTO 1993, AISC, Eurocode 3) and a qualified engineer.
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How to Use

Enter the values for the patient or scenario you are assessing. Calculate bending moment diagrams for simply supported, cantilever, and continuous beams. Point loads, UDL, and moment loads. Maximum bending moment and location. Positive hogging/sagging convention. Steel and concrete beam design moments. Use the bending moment result to inform your clinical assessment.

Frequently Asked Questions