Concrete Quantity Calculator
Measure a rectangular pour and add purchasing waste.
Slab dimensions
Net volume (m³)50
Waste allowance (m³)1.5
Purchase volume (m³)51.5
Calculation method and assumptions
Net volume = Length × Width × Depth; Purchase volume = Net × (1 + Waste ÷ 100)Rectangular solid only. No deductions, bulking or reinforcement displacement included.
Currency changes labels only. No exchange conversion is applied
Related exercisePractise this calculation