How much does a cubic meter of water weigh?

Answer 1

Weight of cubic meter of waterA cubic meter of pure water at four degrees Celsius has a mass of 1,000 kilograms, or one tonne (a metric ton). The temperature of the water is significant because the density of water varies with temperature. It is at its densest at four degrees Celsius.

One thousand kilograms is equivalent to 2,204.6 pounds (lb) or 1.1023 US tons.

The density of pure water is slightly less than 1000 kg per cubic metre at 4 deg C and less than that at other temperatures. So the mass of a cubic metre is only approximately 1 tonne. But that is not its weight. The weight, on the surface of the earth, is 9,800 Newtons.
1 cubic metre of pure water weighs 1000 kilograms or 1 tonne.

Answer 2

in meter