1.3 ton
Wet concrete weighs about 4,000 per cubic yard. Some types of concrete weigh more or less. Lightweight concrete weighs about 1,000 pounds less.
Depending on the mix and slump (how wet it is) the average is about 2.4 tonnes this is a standard weight as it could overload the mixer truck
how much does a gallon of concrete weigh
Can weigh up to 700 pounds when it is wet.
4x8x16, solid light weight (you can find at Lowe's and HD) - 27 lbs when dry, 28 lbs when wet
3000
The specific gravity of limestone concrete is 2.37. Therefore 5 gallons of concrete would weigh 94.8 pounds.
45lbs
On average, 8 cubic feet of concrete can weigh around 4,000-4,500 pounds, depending on the density of the concrete mix.
...quite a lot
Dry concrete has a greater density than wet concrete because the water content in wet concrete decreases its overall density. When the water in wet concrete evaporates during the curing process, the concrete becomes denser.