81
About 162sf.
80
27 square feet at 1 f thick
One square yard is nine square feet, so 27 square feet is equivalent to 3 square yards. So 3 yards of concrete will cover 27 square feet.
1 cubic yard of concrete fills 27/depth in feet square feet.
it equals nine square feet * * * * * Nine square feet is 1 square yard, NOT 1 yard. In any case, "a yard" of concrete is used by builders' merchant to mean a CUBIC yard of concrete.
9 sq feet
1 cubic yard of concrete fills 27/depth in feet square feet.
81 Square feet.
A cubic yard is 46,656 cubic inches. Spread to a thicknes of 5 inches, a cubic yard of concrete covers 9332.1 square inches, which is 64.8 square feet.
81 square feet
81
As long as you mean square yards, then: 1 square yard = 9 square feet 4077 square feet / 9 square feet per square yard = 453 square yards
1 "yard" of concrete actually = 1 cubic yard = 27 cubic feet27 = (2/3) x81 = 2 xx = 40.5 square feet
1 square yard = 9 square feet... 5 yd2 = 45 ft2
81