3552 sq in = 24.7 sq ft
1870.13 gallons per inch of depth. 144 sq. ins./sq. ft. X 3000 sq. ft.= 432,000 sq. ins. 1 gal. = 231 cu. ins. = 231 sq. ins X 1 in. deep. 432,000 sq. ins. / 231 sq. ins. per gal @ 1 in. depth = 1870.12987+ gallons @ 1 in.
use the conversion factor 1 inch = 2.54 cm or 0.3937 inches = 1 cm Hence in one 1 metre there are 39.37 inches = 3 ft 3.37 inches. In 1 m^2 = 9 sq ft 11.3569 sq ins. In 225 m^2 = 225(9 sqft 11.3569 sq in) Hence 225 m^2 = 2025 sq ft 2555.3025 sq inches. Convert to sq.ft. There being 144 sq inches in 1 sq ft = 17 sq ft 107.3025 sq ins. Hence overall 225 m^2 = 2042 sq ft 107.3025 sq ins.
50 pounds @ 100 pounds / cu ft = 0.5 cu ft = 864 cu ins So : sq root (864 / 2) = 20.785 inches So: will cover a square of 20.785 ins * 20.785 ins ( 1.732 ft * 1.732 ft) 2.999 sq feet area each bag (say 3 sq ft)
160/144 sq ins = 1 and one ninth sq ft.
1076.391042 sq. ft.
19681.81 sq ft
5220.5 sq ft
32 sq. ft.
1 sq yd are in 9 sq ft
3 sq yards = 3*9 sq ft = 27 sq ft
288 sq ft