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20-ft x 40-ft x 3-in = 20-ft x 40-ft x 1/4 foot = 200 cubic feet = 7.41 cubic yards

Q: How much mulch is needed to cover an area that is 20 feet by 40 feet and 3 inches indepth?

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how to get 1600 mulch which is money in bin weevils

That's 13 cubic yards of mulch for every 2 inches deep.

For 1 foot deep, 400 cu ft. For 3 inches deep, 100 cu ft.

(22/3 square yards) divided by (depth of mulch in inches)

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how to get 1600 mulch which is money in bin weevils

That's 13 cubic yards of mulch for every 2 inches deep.

1 cubic yard will cover ~90 sq feet

The 'square feet' of area that it covers is 1,620/(depth of the mulch, in inches)

For 1 foot deep, 400 cu ft. For 3 inches deep, 100 cu ft.

(22/3 square yards) divided by (depth of mulch in inches)

3

It depends on how thick the mulch is applied. For example, if applied at an average depth of two inches, the cubic yard of mulch will cover 162 square feet. If applied at an average depth of four inches, half that area or 81 square feet, etc.

three

5inches

162 sq.ft.

21 gallons