162 sq.ft. Basically each sq foot of coverage will require a 2 inch "slice" off a cubic foot of stone. There are 27 cu.ft of stone in a cu. yd. and 6 "slices" per cu ft. so 6x27=162
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The answer depends on the units that should have been given for the 2 deep: 2 inches, 2 feet, 2 miles - who knows?
4.4 bags for each 1-foot deep. 2.2 bags for each 6-inches deep. Each 5-ft3 bag will cover the area to 2.72 inches deep.
I say 1.09 cu ft.
3 inches = 1/4 footVolume = 82 x 1/4 = 20.5 cubic feetIf you're buying 5-cubic-foot bags, then these are your choices:-- Buy 4 bags, and leave the job 2.5% incomplete. (Cover is only 2.93" deep, not 3".)-- Buy 5 bags, and use only 10% of the 5th one.-- Spread all 5 bags, and wind up with the 82 square feet covered 3.66 inches deep.
.15