30' x 20' (600 square feet) = 66.6 square yards.
For a 4-inch thick slab, you will need at least 9.48 Cubic Yards.
6 feet or 36 inches.
A yard of concrete is 27 cubic ft. Your measurements, if in feet, represents 480 cubic ft. Dividing this by 27 results in 17.78 yards.
If it is the same as concrete it will cover 162 square feet. concrete covers 81 square feet by 4" deep
you would need 37.33 yards of concrete or 38 to be safe
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.
700 sq feet to 2 feet depth = 1400 cubic feet of concrete, which is equal to 51.85185 cubic yards of concrete.
how may yards of concrete are needed for a floor 24 x 25 feet?
39.1116 cubic yards
55.56 cubic yards.
90
A yard of concrete is actually a cubic yard. To find the total cubic yards divide the total cubic feet which is 240 by 27 to convert it to cubic yards. You would need 8.89 yards of concrete.
Yards are for measuring length not volume. Cubic yards required will be as follows: 1 cubic yard = 3 feet x 3 feet x 3 feet = 27 cubic feet Your concrete pad is 30ft x 40ft x 0.3333ft (4 inches assumed) = 400 cubic feet 400 divided by 27 = 14.8148 cubic yards required
For a 4-inch thick slab, you will need at least 9.48 Cubic Yards.
20 feet x 20 ft x .3333 ft = 133.33 cubic feet / 27 cubic feet per yard = 4.94 cubic yards
about 17 yards of concrete (it's sold by the cubic yard)
A little of 7 yards will cover 23 feet.