Material calculator
Concrete slab & footing calculator
Length (ft)
Width (ft)
Thickness (in)
Overage / waste (%)
Calculate
Concrete (ready-mix)
2.72 cubic yards
Total volume
73.3 cubic feet
80 lb bags
123 bags
60 lb bags
163 bags
40 lb bags
245 bags
Volume = 20 ft × 10 ft × 4.0 in, +10% overage. Cited constants on the full page.
See full data →
Data by ProFix Directory →