Concrete Volume & Bags
Volume of slabs and columns plus bag count by yield
60 lb bag ≈ 0.45 ft³ · 80 lb bag ≈ 0.60 ft³.
slab = L·W·D/12 · column = π(r²)·h
Volume
33.33 ft³
Cubic yards
1.235
Cubic metres
0.944
Bags to buy
62
Volume of slabs and columns plus bag count by yield
60 lb bag ≈ 0.45 ft³ · 80 lb bag ≈ 0.60 ft³.