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How Much Compost for 200 Square Feet?

1.23cubic yards

at 2 inches deep — about 34 bags (1 cu ft each) or 0.62 tons

Depth	Cubic yards	Cubic feet	1 cu ft bags	Approx. tons
1 in	0.62 yd³	16.7 ft³	17	0.31
2 in (typical)	1.23 yd³	33.3 ft³	34	0.62
3 in	1.85 yd³	50 ft³	50	0.93

For amending beds, spread 1–3 inches of compost and work it into the top 6 inches of soil. For lawn top-dressing, ¼–½ inch is plenty.

The math: 200 sq ft × depth in feet ÷ 27 = cubic yards. One cubic yard of compost covers 324 sq ft at 1" · 162 sq ft at 2" · 108 sq ft at 3".

Compost compresses — if it will sit in a pile for weeks before spreading, order about 10% extra.

Different area?