A yard of gravel is 27 cubic feet.
55 by 3 is missing a third dimension. what ever the third dimension should be multiplied by the 55 and 3 then divided by 27 to get your answer.
5.16 yd^3 (when they say a "yard" of gravel, they mean a cubic yard).
11/9 cubic yard for every 6-inches deep.
It depends on how thick you want the gravel to be. All dimensions will be in feet. (fractions) Width x length x depth divided by 27 equalls cu. yds.
744 Square Feet
26 yards long
6 yards
13 1/4
120 yards = 360 feet
An 8-foot wide by 90-foot long by 8-inch depth requires a minimum of 2,565.5 cubic yards (22.8 tons) of gravel.
30.55 square yards.
6.66 square yards.
8 square yards.