Concrete Calculator
Calculate how much concrete you need for slabs, columns, footings, and stairs. Results in cubic yards, cubic meters, and bags.
Slab Dimensions
Concrete Needed
1.23
Cubic Yards
0.944
Cubic Meters
33.33
Cubic Feet
1.36
With 10% Waste
Pre-Mixed Bags Needed
112
40 lb bags
75
60 lb bags
56
80 lb bags