21 x 21 x 6/12 = 220.5 cubic feet. At 27 cu ft per yard that is a little over 8 yards, or 8.2 yards
A rectangle area that is 12 feet by 14 feet by 6 inches deep is equal to 3.11 cubic yards. This job would require 4.2 tons of gravel.
if that is 3 ft deep it would require 96 yards... IF it is 3 inches deep it would require 24 cubic yards
That's 13 cubic yards of mulch for every 2 inches deep.
You will need about 463 cubic yards (around 594 tons) of gravel for this area.
2.37 cubic yards of stone for every 3 inches deep it needs to be
A rectangle area that is 12 feet by 14 feet by 6 inches deep is equal to 3.11 cubic yards. This job would require 4.2 tons of gravel.
if that is 3 ft deep it would require 96 yards... IF it is 3 inches deep it would require 24 cubic yards
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.
That's 13 cubic yards of mulch for every 2 inches deep.
One cubic yard of mulch will cover approximately 160 square feet at 2" deep, so you would need approximately two cubic yards of mulch to cover 271 square feet at 2" deep.
The penalty area is 18 yards deep and 44 yards wide. The goal area is 6 years deep and 20 yards wide.
The goal area is six yards deep and twenty yards wide.
3,495.6 cubic yards.
10 yards deep by 53 yards wide
15.833... [cubic] yards.
You will need about 463 cubic yards (around 594 tons) of gravel for this area.
2.37 cubic yards of stone for every 3 inches deep it needs to be