What is 1 yard of concrete?

One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet. 6-inches thick – covers 54 square feet.

How many yards of concrete do I need for a 10×10 slab?

10 x 10 = 100 square feet. 4 ÷ 12 = .33. 100 x .33 = 33 cubic feet. 33 x .037 = 1.22 cubic yards.

How much will a yard of concrete cover 4 inches thick?

There are approximately 81 square feet in a yard of concrete at 4 inches thick. If the concrete slab or patio or garages, walkways, and shed slabs is 4 inches thick then you will get 81 square feet from a yard of concrete.