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Concrete has a density of about 2400 kg per cubic meter. Without the other dimensions, we can't begin to guess what the overall volume is, so we can't give you a weight.

A cube of concrete 5 feet on a side would have a volume of about 3.5 cubic meters and therefore a mass of about 8400 kg. Since you gave the measurement in feet, you probably want the weight in pounds; it would be roughly 18,500 pounds or 9 and a quarter short tons.


There are tricks you can use to get the volume and therefore ultimately the weight of an irregularly shaped object, but frankly they rely on you being able to lift it and submerge it in water, and honestly if you can do that you could just put the silly thing on a scale and get an answer directly.

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10y ago

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