EngineerBenchConstruction calculators
Rebar weightGet bar weight, total length, and tonnes from a cutting list.Concrete volumeCalculate slab, footing, and column volumes and premix bags.Staircase geometryFind whole riser counts, tread depth, and the required straight run.Brick and block quantityEstimate masonry units and mortar from wall and opening dimensions.Slope and gradientConvert rise and run, slope percentage, angle, or ratio.Asphalt tonnageCalculate compacted asphalt mass, volume, and material cost.Paint quantity and costEstimate coating volume and whole cans from paintable area.3D block builderArrange rectangular solids and calculate volume, mass, and center of mass.Spread-footing bearingCheck soil contact pressure and preliminary footing dimensions.