Concrete Calculator
Simple concrete estimates for slabs, square footings, and walls.
Slabs, Square Footings, or Walls
Slab diagram
%
Volume: 0.00 cubic feet
or 0.00 cubic yards
or 0.00 cubic metres
Using pre-mixed concrete density of 0 kg/m³:
Weight needed0.00 lbs / 0.00 kg
20kg bags0 bags
25kg bags0 bags
60-lb bags0 bags
80-lb bags0 bags
* Different concrete mixes can have different densities. Always confirm with your supplier.