Mulch for a 12x12 Bed: Yards & Bags Needed
A 12 × 12 ft bed covers 144 sq ft. Spread 3 inches deep, it takes 36 cubic feet of mulch: 1.33 cubic yards, or 18 bags of 2 cu ft. Change the depth or bag size below.
1.33 cubic yards, or 18 bags of 2 cu ft
- Cubic yards
- 1.33
- Cubic feet
- 36
- Bags
- 18 × 2 cu ft
- Area
- 144 sq ft
- 2–3 inches is the usual depth for beds; 3–4 inches suppresses weeds better.
- Bulk mulch is sold by the cubic yard and is usually cheaper above ~2 yards.
Frequently asked questions
How many bags of mulch for a 12x12 bed?
18 bags of 2 cu ft at 3 inches deep.
Developers: GET /api/mulch-calculator returns JSON.