Home/Engineering/Rebar Quantity EstimatorEngineering & ConstructionRebar Quantity EstimatorEstimate reinforcement for a slab, a beam or a column.MemberSlabBeamColumnKnown number of barsLength (mm)Width (mm)Cover (mm)Diameter, length span (mm)Spacing, across width (mm)Diameter, width span (mm)Spacing, across length (mm)Wastage (%)Estimate quantityRelated toolsSteel Weight CalculatorEstimate the weight of bars, plate, pipe and angleEngineeringConcrete Volume CalculatorFind volume and a simple material estimateEngineeringArea & Volume CalculatorAreas and volumes of common shapesEngineering