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# how much does one cubic meter of water weigh

Question:please show me how you get the answer, I am writing my journeyman steamfitter exam tomorrow, so anything extra you have that could help me with that would be great also!

Answers:Half of it. It weighs half as much as water, which has a density of 1000 kg per cubic metre, so 1.4 cubic metres of water weighs 1400 kg.

Question:How much does 1 cubic square foot of salt water weigh? How much does 1 cubic square foot of fresh water weigh?

Answers:Bit out of date using feet, but 1 cubic foot, I calculate, is 28.32 litres and a litre of pure water weighs a kilogramme, so 1 cubic foot weighs 28.32 kilos. Salt water is a bit too vague. Is it a straightforward salt solution? And if yes, you'll need the concentration. If it's sea water then it'll vary quite a lot. Best answer is probably to say it'll weigh a bit more.

Question:in a room, each 22 liters of air weighs 29 grams. each liter is 1000 cubic cm. how much does a cubic meter of air in that rm weigh? express ur answer to the nearest whole gram.

Answers:If 22 litres weighs 29 grams, then 1 litre weighs 29/22 grams 1000 cubic cm = 1 litre 1 cubic metre = 1 metre * 1 metre * 1metre = 100cm*100cm*100cm = 1 000 000 cubic cm 1 000 000/1000 = 1000 (litres in a cubic metre) 1000 * 29 / 22 = 1,318.18.18 grams (rounded down makes 1,318)

Question:the weigt of water is 62 1/2 lb per cubic foot. What is the weight of 19 1/2 cubic feet of water? How much does 19 1/2 cubic feet of water weigh ? lbs. ( answer as mixed numeral )

Answers:19 1/2 ft^3 * 62 1/2 lb/ft^3 = 39/2 * 125/2 lb = 4875/4 lb = 1218 3/4 lb