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Concrete for a 10 × 12 slab
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1.48 yd³
10 × 12 ft (120 ft²) at 4 in thick, before waste
Concrete for a 10 × 12 slab by thickness
| Thickness | yd³ | yd³ +10% | 80 lb bags | 60 lb bags | Ready-mix @ $165/yd³ |
|---|---|---|---|---|---|
| 4 in | 1.48 | 1.63 | 74 | 98 | $269 |
| 5 in | 1.85 | 2.04 | 92 | 123 | $336 |
| 6 in | 2.22 | 2.44 | 110 | 147 | $403 |
| 8 in | 2.96 | 3.26 | 147 | 196 | $538 |
Bags include 10% extra. Ready-mix prices vary by region; small loads often carry a short-load fee.
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FAQ
How much concrete do I need for a 10x12 slab?
A 10 × 12 ft slab 4 in thick is 1.48 cubic yards; order about 1.63 yd³ with 10% extra. At 6 in thick it is 2.22 yd³.
How many bags of concrete for a 10x12 slab?
About 74 bags of 80 lb concrete (or 98 × 60 lb) at 4 in thick including 10% extra. For this size, ready-mix delivery is usually more practical than bags.
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