The mattress would have a total area of roughly 1.04 cubic yards. However, a cubic yard is one yard long by one yard wide by one yard deep. The mattress is only 8 inches deep, not enough to equal a yard, so it really does not have any one area that is a cubic yard in size.
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
40.1 cubic yards
You'll need 1.23 Cubic Yards.
It is about 166.67 cubic feet and you will need just over 6.17 cubic yards of concrete.
2.2222222201902215 cubic yards
Three acres three inches deep is 403.33 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.
6 inches = 1/6 yards. So 70 sq yards * 6 inches = 70*1/6 cubic yards = 11.66... cubic yards.
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
24 cubic feet = 0.89 cubic yards
13.1 cubic yards, approx.
1.851852 cubic yards
3,456 cubic yd.
40.1 cubic yards
1 cubic yard will cover 15 square yards at 3 inches deep.
15.833... [cubic] yards.
Usually a cubic yard will cover 15 square yards at 3 inches deep so I would reckon on 22 cubic yards. Hold on that I've got that wrong it's 2 cubic yards .Sorry.