How many yards of concreat will you need for a 8x8 foot concreat slab 4inches thick?

To calculate the volume of concrete needed for an 8x8 foot slab that is 4 inches thick, first convert the thickness to feet: 4 inches is 1/3 foot. The volume in cubic feet is then 8 feet × 8 feet × (1/3) foot = 21.33 cubic feet. Since there are 27 cubic feet in a cubic yard, divide by 27 to find the required yards of concrete: 21.33 ÷ 27 ≈ 0.79 cubic yards. Therefore, you will need approximately 0.79 cubic yards of concrete.