Concrete Calculator

Shape

Choose a rectangular slab or cylinder and enter dimensions in meters. Add a material allowance and the mixed-volume yield from your bag specification. Bag counts round upward.

Results

Enter your values and select Calculate.

V=lwd,N=⌈V(1+w/100)/Y⌉V=lwd,\quad N=\left\lceil V(1+w/100)/Y\right\rceil

How it works

Choose a rectangular slab or cylinder and enter dimensions in meters. Add a material allowance and the mixed-volume yield from your bag specification. Bag counts round upward.

V=lwd,N=⌈V(1+w/100)/Y⌉V=lwd,\quad N=\left\lceil V(1+w/100)/Y\right\rceil

Related tools

Tile and Flooring Calculator

Enter floor area and individual tile dimensions in meters.

tileflooringarea

Unit Converter

Convert 84 metric, imperial and scientific units across six categories.

unitslengthweight

Area and Material Cost Calculator

Enter rectangular length and width in the selected unit, subtract openings in squared units, and enter cost per squared unit.

square footageareaflooring