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Concrete volume

A quantity take-off for a single element. Not a mix design, programme or pour sequence.

Shape Rectangle — slab or padCylinder — column or pile

Length (m)

Width (m)

Thickness (mm)

Order allowance (%)

Cylinder diameter (m)

Cylinder height (m)

CalculateReset

Method

Rectangle: L × W × t, with thickness converted from millimetres. Cylinder: πd²h/4. Allowance is a multiplier, not measured wastage.

Worked slab: 4.5 × 2 × 0.200 = 1.800 m³ net, 1.890 m³ at 5%.

Logic: how this figure is built.

Last checked 2 October 2026. Worked figures are scenarios. See methodology and the disclaimer.