You need to specify the slab's width and the length as well.
8.25 cubic yards of concrete
It is the same as 5.5cm which is about 2 inches thick
36 tonnes
13 1/3 cubic yards
387 cubic feet. This is because 43x18x0.5 (as six inches is 1/2 of a foot) =387.
You need to specify the slab's width and the length as well.
2.15
14.81 yds
625 times 0.5 = 312.5 cubic feet will be needed
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.
you can do the math: LXWXD DIVIDED BY 27
how many cubic feet in a yard of concret
A 10-foot round slab at 4 inches requires 1 cubic yard.
Concrete driveways are no less than 3.5 inches to 4.5 inches.
4 To 6 inches
Volume of concrete needed = 4 x 12 x 1/3 = 4 x 4 = 16 cubic feet
4300 x .66 * = 2838 cubic feet / 27 = 105.11 cubic yards. ( *.66 = 8" )