Concrete Calculator
Estimate concrete volume in cubic yards and number of bags needed for slabs, footings, or columns.
How this is calculated
Volume = L × W × D (slab) or π × r² × H (column). Add waste %. 1 cu yd = 27 cu ft. 60 lb bag ≈ 0.45 cu ft.
Estimate concrete volume in cubic yards and number of bags needed for slabs, footings, or columns.
Volume = L × W × D (slab) or π × r² × H (column). Add waste %. 1 cu yd = 27 cu ft. 60 lb bag ≈ 0.45 cu ft.