Bag Concrete Calculator
Calculate the number of concrete bags required.
Shape
Slab
Cylinder
Wall
Bag Size (lbs)
40 lb (0.3 cu ft)
60 lb (0.45 cu ft)
80 lb (0.6 cu ft)
Length (ft)
Width (ft)
Depth (ft)
Diameter (ft)
Height (ft)
Thickness (ft)
Calculate Bags
Result
Formula: Volume (cu ft) / Bag Coverage (cu ft per bag)