How Much Mulch for 600 Square Feet?

Answer at a glance — 600 sq ft

Depth	Cu ft	Cu yards	2 cu ft bags (with 5% waste)
1 inch	50	1.85	27 bags
2 inches	100	3.7	53 bags
3 inches	150	5.56	79 bags
4 inches	200	7.41	105 bags
6 inches	300	11.11	158 bags

How we calculated it

For 600 sq ft at 3 inches:

1. Volume = 600 × 3 ÷ 12 = 150 cu ft
2. Cubic yards = 150 ÷ 27 = 5.56 cu yd
3. Bags (2 cu ft) = 5.56 × 13.5 = 75.1 → with 5% waste = 79 bags

Compare nearby sizes

Area	At 2"	At 3"	At 4"
300 sq ft	27 bags	40 bags	53 bags
450 sq ft	40 bags	60 bags	79 bags
600 sq ft	53 bags	79 bags	105 bags
900 sq ft	79 bags	119 bags	158 bags
1200 sq ft	105 bags	158 bags	210 bags

Depth guide

• 1–2 inches — top-dressing existing mulch, lightweight coverage
• 3 inches — standard for flower beds, best weed suppression
• 4 inches — new beds or heavy clay soil where drainage is poor
• 6 inches — play areas, paths (not recommended for planted beds)

Bags vs. bulk

For 600 sq ft you need 5.56 cubic yards. If your local supplier charges less per yard in bulk than bags (≈13.5 bags per yard), bulk delivery saves money at this quantity.

Use the Mulch Calculator to enter your exact dimensions and get a precise bag count with an optional price estimate.