STRUCTURAL ENGINEERING CALCULATORS

Preliminary structural calculations for early project planning.

Explore 30 interactive tools for beams, concrete, steel, foundations, roofing and more. Enter your measurements and review preliminary results with appropriate engineering checks.

Preliminary estimates only. Structural design requires qualified professional review.

Architectural blueprint of a multistorey structural steel building
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Practical calculation tools for construction and structural engineering.

QuantitiesConcrete volumeOpen calculator →BeamsBeam deflection (UDL)Open calculator →BeamsBeam load (UDL)Open calculator →SteelSteel plate weightOpen calculator →ReinforcementRebar weightOpen calculator →QuantitiesConcrete slab volumeOpen calculator →FoundationsFooting area estimateOpen calculator →ColumnsColumn axial stressOpen calculator →BeamsBeam maximum moment (UDL)Open calculator →BeamsBeam support shear (UDL)Open calculator →BeamsSimply supported beam point-load momentOpen calculator →BeamsCantilever tip-load deflectionOpen calculator →ReinforcementRebar quantity by spacingOpen calculator →SteelBeam required elastic section modulusOpen calculator →SectionsRectangular section modulusOpen calculator →SectionsRectangular second moment of areaOpen calculator →RoofingRoof tributary loadOpen calculator →RoofingRoof pitch angleOpen calculator →LoadsWind pressure estimateOpen calculator →FoundationsFoundation average bearing pressureOpen calculator →FoundationsRetaining wall active thrust estimateOpen calculator →QuantitiesStair riser countOpen calculator →QuantitiesBrick quantity estimateOpen calculator →QuantitiesConcrete constituent volumesOpen calculator →QuantitiesConcrete mix sand quantityOpen calculator →LoadsDead load from thicknessOpen calculator →LoadsImposed load totalOpen calculator →ConnectionsBolt-group direct shear per boltOpen calculator →ConnectionsAnchor group direct tension per anchorOpen calculator →ConcreteConcrete maturity index (Nurse–Saul)Open calculator →
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