Beam Deflection Calculator

Calculate beam deflection and stress for various loading conditions

Beam Analysis

Beam Type

Load Type

Length (m)

Load (kN)

Load Position (m from left)

Elastic Modulus E (GPa)

Moment of Inertia I (cm^4)

Maximum Deflection (mm)

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Max Moment (kN·m)

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Max Stress (MPa)

Simply Supported with point load at center:

Deflection = PL³/(48EI), Moment = PL/4

Uniform load:

Deflection = 5wL⁴/(384EI), Moment = wL²/8