How many yards of concrete do you need 12feet 4feet wide 4 inches deep?

To calculate the volume of concrete needed, first convert all measurements to feet. The dimensions are 12 feet long, 4 feet wide, and 4 inches deep (which is 1/3 foot). The volume is calculated as length × width × depth: (12 \times 4 \times \frac{1}{3} = 16) cubic feet. To convert cubic feet to cubic yards, divide by 27 (since there are 27 cubic feet in a cubic yard): (16 \div 27 \approx 0.59) cubic yards. You will need approximately 0.59 cubic yards of concrete.