How much concrete do you need for a Slab 74x48x4?

To calculate the volume of concrete needed for a slab that measures 74 inches long, 48 inches wide, and 4 inches thick, first convert the dimensions to feet: 74 inches = 6.17 feet, 48 inches = 4 feet, and 4 inches = 0.33 feet. Then, multiply the dimensions: 6.17 ft × 4 ft × 0.33 ft = approximately 8.16 cubic feet. Therefore, you will need about 8.16 cubic feet of concrete for the slab.