When a human dies of dehydration, how much water is left in their body?

Submitted by oliver830 t3_11js75x in askscience

Say my trip to the Sahara went terribly astray and now I have to break down my travel buddy for their spare water molecules. It just so happens I have a human squisher that breaks down humans into their constituent components, what volume would it yield me and how much time would that buy me? If I was in the middle of the desert, how many dehydrated people would I need to make it out?

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Electronic-Mode-7760 t1_jbhsalh wrote

You die after a loss of 15-25% of your body water. Water typically takes up 60% of your body. A 15lb man generally has about 11 gallons of water in his body. He'll die after losing 1.65 -2.75 gallons of water, with 9-35-8.25 gallons left inside of you. Your organs will stop functioning far before your body runs out of water.

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