3965 lbs/cy
A yard of concrete weighs two tons, so 28 yards is 56 tons.
how much does a gallon of concrete weigh
a ton....
It is much lighter.
The specific gravity of limestone concrete is 2.37. Therefore 5 gallons of concrete would weigh 94.8 pounds.
200
45lbs
.375 cf per bag / 27 cf per cy = 0.13888 cy per bag 1 cy / 0.13888 cy per bag = 72 bags
half a kilo approximately
0.001732
1.3 ton