Raised bed garden soil calculator
The same footprint changes fast when you move from 6 inches of fill to 12 inches. Depth matters more than most first builds expect.
| Footprint | 6 in depth | 8 in depth | 12 in depth |
|---|---|---|---|
| 6 x 3 ft | 9 cu ft | 12 cu ft | 18 cu ft |
| 8 x 4 ft | 16 cu ft | 21.3 cu ft | 32 cu ft |
| 10 x 4 ft | 20 cu ft | 26.7 cu ft | 40 cu ft |