# How much does 1 cubic metre of water weigh ?

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1 cubic meter is equivalent to 264 gallons. Since a gallon of water weighs 8.33 pounds, 1 cubic meter will weigh 2,200 pounds.

Note that it will actually vary based on temperature.

• miggo
Lv 4
3 years ago

Cubic Meter Of Water Weight

Under normal conditions, the MASS of 1 cubic metre of water is 1000 kilograms.

1 cubic metre = (100 centimetres)**3 = 1,000,000 cc

1 cc = 1 gram

1 cubic metre = 10**6 cc = 10**6 g = 1000 kg

The WEIGHT (on the surface of Earth) of 1 kg is 9.80665 newtons, therefore the weight of 1 cubic metre of water is 1000 kg * 9.80665 newtons/kg = 9,806.65 newtons.

• Anonymous
5 years ago

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• Lee J
Lv 6

One cubic meter of water = 1,000,000 cubic centimeters or cc of water (100cm X 100cm X 100cm = 1,000,000cc).

And since 1cc of water equals 1 gram, 1,000,000cc of water equals 1,000,000 grams or 1,000 kilograms (or 2,200 pounds).

Edit:

Crikey billrussell42, if you're going to split hairs, you'll probably want to factor in local gravitational variations too! A gram, by definition, is the mass of one cc of water at stp.

• Anonymous
5 years ago

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• 5 years ago

amazing how many wrong answers you have

at 20C, 1 cubic meter weighs 998.2 kg

at 0C, 999.8 kg

at 100C, 958.4 kg

if you want the weight in Newtons, multiply those numbers by 9.81

while the often listed 1000 kg is fairly accurate at 0C, at 100C it is 4% in error.

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