Beam Deflection, Bending Moment and Shear Calculator

Check a simply supported or cantilever beam under a point load or an even load: maximum deflection, bending moment and shear force.

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How to use the beam load calculator

  1. Type your numbers in the boxes (pick your currency or units if asked).
  2. The answer updates as you type: no button to press.
  3. Copy the result, or share it on WhatsApp with one tap.

Questions

Can I design a house beam with this?

Use it to learn and compare. Real structures must be checked by a structural engineer.

Is my data private?

Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.

Is it free?

Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.