How Much Area Does Mulch Cover?
Know how much mulch you have? Enter the bags or cubic yards and the depth you want, and this tool tells you how many square feet you can cover.
What you have
Coverage quick-reference
| Depth | sq ft per 2 cu ft bag | sq ft per cubic yard |
|---|---|---|
| 1 in | 24 | 324 |
| 2 in | 12 | 162 |
| 3 in (recommended) | 8 | 108 |
| 4 in (max) | 6 | 81 |
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True Temper 6 cu-ft Steel Wheelbarrow (Never-Flat)
Bulk mulch lands in a pile on the driveway — a 6 cu-ft barrow is how you get yards of it to the beds without forty trips. The never-flat tire means it is ready every spring.
Bully Tools 16" Steel Bow Rake (USA)
The flat back of a bow rake levels mulch to the even depth this calculator priced, so you do not run short in one spot or pile it too deep over the roots.
VEVOR 4×100 ft Woven Weed Barrier (5.8 oz)
A woven fabric under the mulch blocks weeds without blocking water. One roll covers a typical bed run before you spread.
Worth Garden No-Dig Steel Edging (6-pack)
Steel edging keeps mulch in the bed and off the lawn, so the depth you calculated stays put instead of washing onto the grass.
HANDLANDY Thorn-Proof Leather Gauntlet Gloves
Handling bark mulch and pulling weeds shreds bare hands; pigskin gauntlets take the splinters and thorns.
Truper 10-Tine Bedding / Mulch Fork
A 10-tine bedding fork moves loose mulch far faster than a shovel — it lifts a big bite and lets the fines fall through.
Dry Top 10×12 ft Poly Tarp
Have bulk mulch dumped on a tarp instead of bare concrete — it keeps the driveway clean and makes dragging the last of it to the bed easy.
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Frequently Asked Questions
A 2 cu ft bag covers 24 sq ft at 1 inch, 12 sq ft at 2 inches, 8 sq ft at 3 inches, and 6 sq ft at 4 inches. The formula is bag volume ÷ (depth ÷ 12).
One cubic yard (27 cu ft) covers 324 sq ft at 1 inch deep, 162 sq ft at 2 inches, 108 sq ft at 3 inches, and 81 sq ft at 4 inches.
Coverage (sq ft) = volume (cu ft) ÷ depth (ft). Convert depth from inches to feet first: divide by 12. So 5 bags of 2 cu ft mulch at 3 inches = (5 × 2) ÷ (3 ÷ 12) = 10 ÷ 0.25 = 40 sq ft.
Yes — use the toggle above the calculator. Either way the math is the same: convert to cubic feet, divide by depth in feet to get square footage.
Volume-based coverage is the same regardless of material — rubber and wood mulch both cover 8 sq ft per 2 cu ft bag at 3 inches. Weight differs significantly: rubber is much heavier per bag.