Beam Calculator

Calculate max bending moment, shear force, and deflection for simply supported beams under uniform or point loads.

feet
lbs
Beam Analysis
ft-lbs (max moment)
Max Shear
Reactions

Simply Supported Beam Formulas

Uniform Load: M = wL²/8, V = wL/2. Point Load (center): M = PL/4, V = P/2.

LoadMax MomentMax Shear
Uniform (w)wL²/8wL/2
Center Point (P)PL/4P/2