How much does a cubic foot of water weigh?

At 70 degrees Fahrenheit, one cubic foot of water weighs approximately 62.30 pounds. However, its weight by volume, fluctuates based on its temperature. Water that is warmer than 70 F weighs less, while water that is cooler than 70 F weighs more.

More Info: www.reference.com

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13 Comments

William Laughlin

Jacqueline Tattam, Thank you for the conversions. Bear in mind, a cubic metre is 35.315 times larger than a cubic foot!

William Laughlin

Leapy Lee, This one stumped you, eh?

Marina da Conceicao

To be fair, question should be both in metric and whatever. To accommodate the majority of the planets population...

Leapy Lee

No one uses feet outside of the US! Who cares how much an outdated volume of water weighs in an outdated measure of weight?

Jacqueline Tattam

And for the information of the other 95% of the world - A cubic metre of pure water at the temperature of maximum density (3.98 °C) and standard atmospheric pressure (101.325 kPa) has a mass of 1000 kg, or one tonne.