That varies greatly with diet, activity and the temperature and humidity.
If active in the desert a person might need gallons of water. if sedentary in a controlled environment they may need just a few glasses.
The old 8 - 8 oz glasses axiom is a misunderstanding of formulas used to calculate IV fluids and is usually not true.
64
usually eight 8-ounce glasses of water for example, therefore 64 ounces
It more depends on the weight for how much water they should drink. So take their weight, divide it by 2, and that's roughly how many ounces of water they should drink daily. (Example) 100 pounds divided by 2 equals 50 ounces. In this case
For the best results how much water should a 250lb man drink daily to lose weight?
If you drink 4 16.9 ounces of bottle water then you passed you're daily intake which is good.
16.9 ounces applies to anything -so 16.9 ounces of water.
That is 24.692 ounces of water.
500
That is 6.26 ounces of water
That is 1.65 ounces of water.
One liter of water is equal to about 33.8 fluid ounces.
That is 12.346 ounces.