Concrete needed
1.36 cubic yards
36.67 cu ft, including 10% extra
Cubic feet
36.67
Cubic yards
1.36
Cubic meters
1.04
80 lb bags
62
Premixed bags
| Bag size | Yield per bag | Bags | Weight |
|---|---|---|---|
| 40 lb | 0.30 cu ft | 123 | 4,920 lb |
| 60 lb | 0.45 cu ft | 82 | 4,920 lb |
| 80 lb | 0.60 cu ft | 62 | 4,960 lb |
Volume
- Volume
- 33.33 cu ft
- Extra for waste (10%)
- 3.33 cu ft
- Total to order
- 36.67 cu ft = 1.36 cu yd
Step by step
- Volume: 10 ft × 10 ft × (4 in ÷ 12) = 33.33 cu ft
- Add 10%: 33.33 × 1.1 = 36.67 cu ft
- Cubic yards: 36.67 ÷ 27 = 1.36 cu yd
- 80 lb bags: 36.67 ÷ 0.6 = 61.11, rounded up to 62
Bag counts use QUIKRETE Concrete Mix yields (0.30, 0.45 and 0.60 cu ft per 40, 60 and 80 lb bag). Other products may yield slightly different amounts; check the bag.