You cannot "fill" a cubic measurement with a square measurement.
I think you meant cubic yards.
1 cubic yard = 27 cubic feet.
Your concrete slab is 1600 x 4/12 cubic feet = 533.333333... cubic feet.
533.333333... cubic feet / 27 = 19.753 cubic yards (rounded to third decimal).
123.44 cubic yards
At a poured depth of 4 inches, you will need 4.94 cubic yards.
If you multiply inches times inches, you get square inches. You can convert that to square yards, but not to yards.
12.30 cubic yards
How many square yards in a 20x18 feet 3 inches thick
40.1 cubic yards
For 576 square feet at a depth of 4 inches, you will need 7.11 cubic yards.
8 square yards
To my knowledge, concrete is measured in cubic yards. you would convert your measurements to yards 2000 sq ft is about 222.22 sq yards 4 inches is about 0.11 yards multiply to get volume, about 24.7 cu yards
1000 square feet/9 = 111.1 square yards of concrete 6 inches thick. This is the same as 111.1/4.5 = 24.7 cubic yards of concrete.
how may yards of concrete are needed for a floor 24 x 25 feet?
39.1116 cubic yards
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.
How thick? Gotta have thickness to calculate cubic yards.
123.44 cubic yards
At a poured depth of 4 inches, you will need 4.94 cubic yards.
If you multiply inches times inches, you get square inches. You can convert that to square yards, but not to yards.