| Bed | Depth | Cubic feet | Cubic yards | 1.5 ft³ bags (+5%) |
|---|---|---|---|---|
| 4 × 4 ft | 6 in | 8.0 | 0.30 | 6 |
| 4 × 8 ft | 10 in | 26.7 | 0.99 | 19 |
| 4 × 8 ft | 12 in | 32.0 | 1.19 | 23 |
| 3 × 6 ft | 12 in | 18.0 | 0.67 | 13 |
| 4 × 12 ft | 12 in | 48.0 | 1.78 | 34 |
| 2 × 8 ft | 10 in | 13.3 | 0.49 | 10 |
What to fill it with
A common mix is 60% topsoil, 30% compost and 10% potting soil or aeration (perlite or pumice). Several beds at once usually justify a bulk delivery. Add one area per bed in the topsoil calculator.