Construction & Materials
Simply Supported Beam Calculator
Find maximum bending moment, deflection and reactions for a simply supported beam under a uniform load.
Your inputs
Change any value to update the result instantly.
Maximum bending moment
45 kN·m
Reaction at each support
30 kN
Maximum deflection
1.05 mm
Max shear force
30 kN
Formula and working
Mmax = wL²/8; δmax = 5wL⁴/(384EI)
- 1
Collect the inputs
Span length L = 6 m; Uniform load w = 10 kN/m; Modulus of elasticity E = 200,000,000 kPa; Moment of inertia I = 0.0008 m⁴
- 2
Apply the formula
Mmax = wL²/8; δmax = 5wL⁴/(384EI)
- 3
Result
Maximum bending moment = 45 kN·m
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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