How much retaining wall for a 50 ft long × 4 ft high?
A 50 ft long × 4 ft high retaining wall 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
420blocks
Exact need: 400 blocks · plus 5% waste allowance
Material cost
$1,050–$3,360
Installed (US avg)
$5,300–$9,110
Shopping list
| ITEM | QTY | PRICE RANGE |
|---|---|---|
| blocks | 420 | $1,050–$3,360 |
| Estimated material total | $1,050–$3,360 |
Companion materials
- Gravel base (6 in): ≈ 1.32 tons