ruchira
// ENGINEERING TOOL

Beam deflection, shear & moment calculator

Analyse simply supported and cantilever beams with point loads and distributed loads. Get reactions, shear and bending moment diagrams and deflection.

  • Free
  • No sign-up
  • Private: runs in your browser
// HOW IT WORKS

4 steps, no sign-up.

Built and maintained by Ruchira Sachinthana. Spotted a bug or want a feature? Tell me.

  1. 01Choose a simply supported or cantilever beam and set its length.
  2. 02Pick the material and section, or type E and I directly.
  3. 03Add point loads and distributed loads.
  4. 04Read the reactions, maximum moment, shear and deflection, and check the span/deflection limit.
// FAQ

Beam calculator: questions, answered.

Something else? Ask on WhatsApp.

Statics for reactions, shear and moment, and numerical integration of M/EI for the deflection curve, which handles any mix of loads.

More free tools

All tools
ENGINEERINGUnit converter

Convert length, force, pressure, energy, power, torque, flow, temperature and more, with significant figures and engineering notation.

RUNS IN YOUR BROWSER
ENGINEERINGResistor colour code

Decode 4, 5 and 6-band resistor colour codes, or find the bands for any value, snapped to the nearest E12, E24 or E96 standard value.

RUNS IN YOUR BROWSER
ENGINEERINGOhm's law calculator

Solve voltage, current, resistance and power from any two values, combine series and parallel resistors and design voltage dividers and LED resistors.

RUNS IN YOUR BROWSER
// CUSTOM TOOLS

Need a tool like this built for your team?

Chat on WhatsApp