How much concrete for a 12 ft × 12 ft?
A 12 ft × 12 ft concrete project is pre-filled below. Adjust any value to match your exact job.
Your project
Standard size shown by default. Change any value — the answer recomputes instantly.
You need
1.9cubic yards (ready-mix)
Exact need: 1.78 cubic yards (ready-mix) · plus 7% waste allowance
Material cost
$237.5–$313.5
Installed (US avg)
$788–$1,059
Shopping list
| ITEM | QTY | PRICE RANGE |
|---|---|---|
| cubic yards (ready-mix) | 1.9 | $237.5–$313.5 |
| Estimated material total | $237.5–$313.5 |
Alternative buy formats
- 86 × 80 lb bags — $473–$688
- 115 × 60 lb bags — $517.5–$805
12 ft × 12 ft at different depths
| Depth | You need | Buy (with waste) | Material cost |
|---|---|---|---|
| 1″ | 0.44 cubic yards (ready-mix) | 0.48 cubic yards (ready-mix) | $60 – $79.2 |
| 2″ | 0.89 cubic yards (ready-mix) | 0.95 cubic yards (ready-mix) | $118.75 – $156.75 |
| 3″ | 1.33 cubic yards (ready-mix) | 1.43 cubic yards (ready-mix) | $178.75 – $235.95 |
| 4″ | 1.78 cubic yards (ready-mix) | 1.9 cubic yards (ready-mix) | $237.5 – $313.5 |
| 6″ | 2.67 cubic yards (ready-mix) | 2.85 cubic yards (ready-mix) | $356.25 – $470.25 |