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How Much Concrete for a 10x10 Slab?
A 10 × 10 ft slab at 4 in thick needs 1.36 yd³ (36.7 ft³ · 1.04 m³ incl. 10% waste).
How Much Concrete for a 10x10 Slab?
Concrete needed36.7 ft³ · 1.04 m³ incl. 10% waste
80 lb bags (0.60 ft³ each)
62
60 lb bags (0.45 ft³ each)
82
40 lb bags (0.30 ft³ each)
123
Ready-mix trucks (~9 yd³)
0.2
Ready-mix suppliers usually sell in ¼ or ½ yd³ steps with a minimum order. Slabs on grade are typically 4 in for patios/walks and 5–6 in for driveways.
Planning estimates only. Building codes, loads and material specs vary — have a licensed engineer or contractor confirm quantities and safety requirements. Disclaimer
By thickness
- 4 in: 1.36 yd³
- 5 in: 1.7 yd³
- 6 in: 2.04 yd³
- 8 in: 2.72 yd³
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