(48 ft) x (20 ft) x (3.5/12 ft) = 280 ft3. (280 ft3) / ( 27 ft3/yd3) = 10.37 yd3.
(A yard of concrete is actually a cubic yard volume). So it's 10.37 yards.
12.30 cubic yards
35-ft x 13-ft x 4-in = 5.62 cubic yards (rounded)
6 inches = 0.5 foot27 cubic feet = 1 cubic yardVolume = (640 x 0.5) = 320 cubic feet = 1123/27 cubic yards = 11.852 (rounded)
3536 sqft 6 inches deep = 3536*0.5 cubic feet = 1768 cu ft = 65.48 cubic yards (approx).
27 cubic feet = 1 cubic yard24 inches = 2 feet4 inches = 1/3 footVolume = (160) x (2) x (1/3) = 1062/3 cubic feet = 3.951cubic yards
2.2 Yards
1.77 cubic yards
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
16.05
12.30 cubic yards
2.2222222201902215 cubic yards
It is about 166.67 cubic feet and you will need just over 6.17 cubic yards of concrete.
That's just about 3.9 cubic yards for every 6 inches deep.
about 17 yards of concrete (it's sold by the cubic yard)
9x12 feet at 4 inches deep: 1.3 cubic yards.
you would need 37.33 yards of concrete or 38 to be safe
35-ft x 13-ft x 4-in = 5.62 cubic yards (rounded)