This is a volume of 10,125 cubic metres.
5200 cubic feet
62/3 cubic yards for every 1-foot deep. 5 cubic yards for every 9-inches deep. 31/3 cubic yards for every 6-inches deep. 5/9 cubic yard for every 1-inch deep.
1,000,000 cubic yards.
Three acres three inches deep is 403.33 cubic yards.
600mm into cubic meter
52,668 cubic ft
3,495.6 cubic yards.
24 cubic feet = 0.89 cubic yards
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
The answer depends on how deep the coverage will be. River Rock weighs 2,800 LBS. per cubic yard - That's 1.4 tons per cubic yard. One ton = 2,000 LBS. 2,000 divided by 2,800 equals roughly 0.71. So one ton of river rock is roughly 0.71 cubic yards. 0.71 cubic yards covers roughly 230 square feet 1" deep 0.71 cubic yards covers roughly 115 square feet 2" deep 0.71 cubic yards covers roughly 77 square feet 3" deep 0.71 cubic yards covers roughly 57 square feet 4" deep 0.71 cubic yards covers roughly 38 square feet 5" deep
It takes 5.0926 cubic yards or 137.5 cubic feet.
It is: 10*7*3 = 210 cubic feet