How Much Gravel for a 8×12 French drain?
The answer
3.91 ton
For a 8×12 ft french drain at 12" depth, with 10% overage included. Estimated cost: $215 at US national average pricing.
Calculate Gravel
Common projects
You need
—
ton
- Area
- —
- Volume
- —
- With 10% overage
- —
- Or in 0.5 cu ft bag
- —
- Estimated cost (US avg)
- —
How we calculated this
- 1. Area: 8 × 12 = 96 sq ft
- 2. Volume: 96 × (12/12) = 96 cubic feet
- 3. Convert + overage: Add 10% for waste → 3.91 ton
- 4. Cost: 3.91 × $55.00 ≈ $215
Similar projects
Gravel for a 4×4 french drain Gravel for a 4×6 french drain Gravel for a 4×8 french drain Gravel for a 5×5 french drain Gravel for a 5×7 french drain Gravel for a 5×10 french drain Gravel for a 6×6 french drain Gravel for a 6×8 french drain Gravel for a 6×10 french drain Gravel for a 6×12 french drain Gravel for a 8×8 french drain Gravel for a 8×10 french drain