Beam Calculator
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Shear force, bending moment, and deflection diagrams for common beam configurations. Calculations run entirely in your browser.
Configuration
Steel ≈ 200 · Concrete ≈ 30 · Timber ≈ 12
UB 305×127×48 ≈ 9575 · UB 203×133×25 ≈ 2340
Max moment
22.5
kNm
Max shear
15.0
kN
Max deflection
5.27
mm
Diagrams
Shear force (kN)
Bending moment (kNm)
Deflection (mm)
Euler–Bernoulli beam theory. Assumes linear-elastic, homogeneous, prismatic member. For non-prismatic or composite sections, use a full FEM solution.
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