288 of them.
216 are.
.15
1 foot by 36 sq feet = 36 cubic feet of dirt is needed
24 cubic feet . . . (6'x6'x 0.67')
0.148 cubic yard for every 3-inches deep
22/7x6x6x6 cubic inches
If it's a rectangular pool it will be about 3.7 yards. If oval, a little less.
144
5300 gallons
33.5 cubic feet.
132
The size tree skirt that is needed for a 6-foot Christmas tree is between 50 and 60 inches. The diameter should not go below 45 inches.