Mulch for 100 sq ft

0.93 yd³

Mulch for 100 ft² at 3 in deep · 13 × 2 ft³ bag

Mulch for 100 ft² by depth

Depth	yd³	ft³	Bags	Bulk / bagged cost
2 in	0.62	16.7	9	$25 / $40
3 in	0.93	25.0	13	$37 / $58
4 in	1.23	33.3	17	$49 / $76

2–3 in is the usual depth for beds; 4 in for paths and weed suppression. Keep mulch a few inches away from tree trunks.

Volume = area × depth: 100 ft² × (3 ÷ 12) ft = 25.0 ft³; ÷ 27 = 0.93 yd³. 100 ft² is, for example, a 10.0 × 10.0 ft square or a 10 × 10 ft strip.

How much mulch do I need for 100 square feet?

At 3 in deep, 100 ft² needs 0.93 cubic yards (25.0 ft³) – about 13 × 2 ft³ bag.

Is it cheaper to buy mulch in bulk or bags for 100 sq ft?

At typical prices ($40/yd³ bulk vs $4.50 per bag) bulk costs about $37 versus $58 in bags, before delivery. Bags are simpler for small jobs.

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