6x18=108sqft 108divided by 80=1.35yards
54sqare feet
2.2 Yards
800 C feet
A cubic foot is 12" thick 12" wide and 12" deep. .45 cubic feet per 60# bag of concrete
I am building a curb that will be 26 feet long, 6.5 inches wide and 4 inches deep. How much cement do I need?
54sqare feet
16.05
128
2.2 Yards
2.2222222201902215 cubic yards
12.30 cubic yards
1.77 cubic yards
about 17 yards of concrete (it's sold by the cubic yard)
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
25 x 5 x .5 = 62.5 cf / 27 = 2.31 cubic yards. Order 3.
87.5 cubic feet
you would need 37.33 yards of concrete or 38 to be safe