First, let's convert all the dimensions to yards.
10 feet = 3 1/3 yards
27 feet = 9 yards
4 inches = 1/9 yard
Now multiply the dimensions:
3 1/3 * 9 * 1/9 = 3 1/3 cubic yards.
4.938 cubic yards.
This area will require 0.8 cubic yards.
996 square feet X 1/3 foot = 332 cubic feet.332 cft / 27 = 12.3 cubic yards
You'll need 3.53 cubic yards of cement.
three and one-third yards ( 3 1/3 yd.s )
You will need about 65.185 cubic yards (83.6 tons) of gravel for this area.
It's a total area of 150 square feet - which is 16.666 square yards
27 cubic feet = 1 cubic yard24 inches = 2 feet4 inches = 1/3 footVolume = (160) x (2) x (1/3) = 1062/3 cubic feet = 3.951cubic yards
concrete is sold in cubic yards in the united states. I hope you are using a 1/4 inch diameter reinforce mesh. 1680 / 81 = 20.74 cubic yards without subtracting the mesh volume.
240 cubic feet = about 8.9 cubic yards. (8.88888889 cubic yards).
26 cubic yards = 702 cubic feet
1.308 cubic yards.