How many Cubic Yards of stones do I need Please to cover 850 sq ft with 1 inch depth. Thank You.
Notice that 1 in = 1/12 ft so we have
850sq ft x 1/12 ft = about 70.83 cu ft.
And 1 cu yd = 27 cu ft....so
70.83cu ft x [1cu yd / 27 cu ft] = about 2.62 cu yd.