10 × 10 slab: concrete by thickness
| Thickness | Cubic yards | 80 lb bags | 60 lb bags | Ready-mix at $175/yd |
|---|---|---|---|---|
| 4 in | 1.36 | 62 | 82 | $238 |
| 5 in | 1.70 | 77 | 102 | $297 |
| 6 in | 2.04 | 92 | 123 | $356 |
All figures include 10% extra for uneven ground and spills. Ready-mix costs exclude delivery and short-load fees.
Bags or ready-mix for a 10 × 10?
At around 1.4 cubic yards, a 10 × 10 slab is right on the line. Sixty-plus 80 lb bags is nearly 5,000 pounds to lift and mix, so many people order a small ready-mix load or rent a mixer. Ask suppliers about short-load fees first.
Frequently asked questions
How thick should a 10x10 patio slab be?
Four inches is standard for a patio or shed. Use 5 to 6 inches if it will carry a vehicle or a hot tub.
How much does a 10x10 concrete slab cost?
Material alone is roughly $240 to $400 depending on bags or ready-mix. Professionally poured slabs cost several times more once labor, base gravel and finishing are included.
Last reviewed: 2026-10-31