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# How much does 1 gallon of sea water from the pacific ocean weigh?

616263

## Answer

###### Wiki User

###### 11/12/2010

Well, 1 pint of water weighs roughly one pound, so 1 gallon would be about 8 pounds.

Of course it's a lot easier in SI units, where you can just count by tens. 1 liter weighs 1 kg. Done.

A gallon of fresh water weighs between 8.33 lbs. and 8.34 lbs. Seawater, on average, weighs 1.028 times more. So, seawater weighs about 8.56 lbs.

per gal.

Seawater varies in weight depending on the mineral content, so the above is just a suggested avg.

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