Calculate reactions, moment, shear, and deflection
Simply Supported - Uniform Load
Results
0
Total Load
lbs
0
Each Reaction
lbs
0
Max Moment
ft-lbs
0
Max Shear
lbs
0.00
Max Deflection
inches
0.00
Allowable Defl
inches
Formulas (Simply Supported, Uniform Load):
R = wL/2 Max Reaction
M = wL²/8 Max Moment (at center)
V = wL/2 Max Shear (at supports)
Δ = 5wL⁴/(384EI) Max Deflection (at center)
Simply Supported - Center Point Load
Results
0
Each Reaction
lbs
0
Max Moment
ft-lbs
0
Max Shear
lbs
0.00
Max Deflection
inches
Formulas (Center Point Load):
R = P/2 Each Reaction
M = PL/4 Max Moment (at center)
V = P/2 Max Shear
Δ = PL³/(48EI) Max Deflection
Simply Supported - Two Equal Point Loads
Results
0
Each Reaction
lbs
0
Max Moment
ft-lbs
0
Max Shear
lbs
0.00
Max Deflection
inches
Formulas (Two Equal Loads at a from each end):
R = P Each Reaction
M = Pa Max Moment (between loads)
V = P Max Shear
Δ = Pa(3L²-4a²)/(24EI) Max Deflection
Cantilever - Uniform Load
Results
0
Total Load
lbs
0
Reaction at Support
lbs
0
Max Moment
ft-lbs
0
Max Shear
lbs
0.00
Max Deflection
inches (at tip)
Formulas (Cantilever, Uniform Load):
R = wL Reaction at fixed end
M = wL²/2 Max Moment (at fixed end)
V = wL Max Shear (at fixed end)
Δ = wL⁴/(8EI) Max Deflection (at free end)