How much deck for a 20 ft × 20 ft deck?
A 20 ft × 20 ft deck deck 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
960linear ft
Exact need: 873 linear ft · plus 10% waste allowance
Material cost
$1,680–$5,760
Installed (US avg)
$8,480–$14,960
Shopping list
| ITEM | QTY | PRICE RANGE |
|---|---|---|
| linear ft | 960 | $1,680–$5,760 |
| Estimated material total | $1,680–$5,760 |
Companion materials
- 16 ft boards: ≈ 60 boards