What this calculator helps you find
A simply supported beam has a pin support at one end and a roller at the other. It carries vertical load through the two support reactions while allowing the idealized rotation associated with simple supports.
Relevant formula
For a center load: RA = RB = P/2; Mmax = PL/4
Worked example
A 10 m span with a 10 kN center load has 5 kN upward reaction at each support and a maximum moment of 25 kN·m at midspan. Open the preset to inspect the shear and moment diagrams.
Use results responsibly
Use this tool for idealized, static two-dimensional analysis and for checking calculations. Confirm units, sign conventions, supports, material properties, and applicable design standards before using results in a project. Review the assumptions and limitations and validation records.