Push it
to failure.
Drag the load up and watch a real simply-supported beam earn its keep — deflection, stress and utilization update live, and the concrete peels back at the limit to show exactly what's carrying it.
Try the Beam Calculator →Tools built for real work
Every calculator shows its formulas. Every template is unlocked and editable. No black boxes.
Beam Calculator
Reactions, shear force diagram, bending moment diagram and deflection for any beam type and loading.
Unit Converter
Convert force, moment, stress, pressure, length and distributed loads between SI and Imperial units instantly.
Rebar Calculator
Calculate rebar areas, number of bars and spacing for any diameter. Supports EC and ACI bar designations.
Material Properties
Reference library of concrete, steel, timber, masonry and aluminum properties per EC2, ACI 318, EC3, AISC, EC5, EC6 and EC9 — every value cited to its code clause.
RC Beam Design
Complete flexure, shear and serviceability design per EC2 and ACI 318-19.
RC Slab Design
One-way and two-way slab design with moment coefficients per EC2 and ACI.
Three steps. Zero friction.
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Choose from beam analysis, load calculators, section tools and more.
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