Chart at 3 inches deep
| Bed | Sq ft | Cubic yards | 2 ft³ bags | Bag cost | Bulk delivered | Cheaper |
|---|---|---|---|---|---|---|
| 4 × 8 ft | 32 | 0.31 | 5 | $20 | $115 | Bags |
| 4 × 10 ft | 40 | 0.39 | 6 | $24 | $115 | Bags |
| 5 × 10 ft | 50 | 0.49 | 7 | $28 | $115 | Bags |
| 8 × 8 ft | 64 | 0.62 | 9 | $36 | $115 | Bags |
| 10 × 10 ft | 100 | 0.97 | 14 | $56 | $115 | Bags |
| 10 × 20 ft | 200 | 1.94 | 27 | $108 | $155 | Bags |
| 12 × 12 ft | 144 | 1.40 | 19 | $76 | $135 | Bags |
| 20 × 20 ft | 400 | 3.89 | 53 | $212 | $235 | Bags |
Cubic yards = sq ft × depth (in) ÷ 324, plus 5%
2 ft³ bags = cubic feet ÷ 2, rounded up (13.5 per yard)
See also how far a yard of mulch goes and bags of mulch in a yard.
Prices used: 2 ft³ bag $4, 3 ft³ bag $6; bulk mulch $40/yd³ plus $75 delivery (1 yd³ minimum). Spring sales change the crossover.