1 cubic meter of water equals how many kg?

Answer 1

1 Cubic Metre of Water is around 12.019 Kg

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Total nonsense.

The mass of 1 cubic metre of pure water, at the pressure of one atmosphere, varies between 958.4 kg (at 100 deg C) and 999.9720 kg (at 4 deg C).

Answer 2

Well, a cubic centimeter of water has a mass of 1 gram. And 100x100x100 cubic centimeters in a cubic meter. So 1 million grams of water is 1000 kg of water which is 1 metric ton.

Answer 3

The volume of air, like that of any gas, depends on its pressure.