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How Much Mulch for 50 Square Feet?

0.46cubic yards

at 3 inches deep — about 7 bags (2 cu ft each) or 0.16 tons

Depth	Cubic yards	Cubic feet	2 cu ft bags	Approx. tons
2 in	0.31 yd³	8.3 ft³	5	0.11
3 in (typical)	0.46 yd³	12.5 ft³	7	0.16
4 in	0.62 yd³	16.7 ft³	9	0.22

Most beds do well with 2–3 inches of mulch. Use 3 inches for weed suppression, 2 inches around annuals and shallow-rooted plants, and keep mulch a couple of inches away from trunks and stems.

The math: 50 sq ft × depth in feet ÷ 27 = cubic yards. One cubic yard of mulch covers 162 sq ft at 2" · 108 sq ft at 3" · 81 sq ft at 4".

Bulk mulch by the cubic yard is usually much cheaper than bags once you need more than about 1 yard (13–14 bags).

Different area?

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