18.52 cubic yards. Adjusting for safety, you should order a minimum of 19.5 cubic yards.
2.15
14.81 yds
625 times 0.5 = 312.5 cubic feet will be needed
you can do the math: LXWXD DIVIDED BY 27
how many cubic feet in a yard of concret
2.15
14.81 yds
625 times 0.5 = 312.5 cubic feet will be needed
you can do the math: LXWXD DIVIDED BY 27
how many cubic feet in a yard of concret
It depends on how thick you want the concrete.
4.23776 cubic yards
Volume of concrete needed = 4 x 12 x 1/3 = 4 x 4 = 16 cubic feet
A 9x9 foot slab 4 inches thick requires a minimum of 1 cubic yard. If you go to 6 inches thick you will need 1.5 cubic yards.
4300 x .66 * = 2838 cubic feet / 27 = 105.11 cubic yards. ( *.66 = 8" )
Allow 5.5 to 6 yards. Always allow for wastage, underrunning forms, etc.
A 10-foot round slab at 4 inches requires 1 cubic yard.