by unclejoe » Thu Apr 15, 2010 5:16 am
it depends on how thick a layer of mulch you are laying down.
387 square feet x 1inch thick = 32.25 cubic feet ( 387 divided by 12 )
one cubic yard = 3 ft x 3 ft x 3 ft = 27 cubic feet
32.25 cubic feet divided by 27 cubic feet (cubic yard) = 1.194 cubic yards.
hope that helps.