About 2 litres a day.
4 cups 48oz
2 quarts a day.
Everybody should drink 8 cups of water everyday. That's about 4 regular water bottles.
i Know it may sound gross or weird but you should drink enough water so that your urine (pee) is clear or almost clear.
You should drink a minimum of 3 litters of water a day to digest your food and have white urine.
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
A 16 year old boy should drink about 25-1000ml per day to survive. Put that fact in your factbook.
The average 11 year old girl should drink 8 glasses of water a day minimum. The athletic girl has to drink more water ecspecially after all that hard work. Remember to drink a tall glass of water when you wake up because you breathe out about 1 liter of water while sleeping.
Thirteen Year Olds Should drink About 7 Cups Of water xD
You drink at least 6-8 glasses of water. it helps to flush out impurities and keeps you hydrated.
About 8 glasses should be plentiful to sustain a healthy 8-year old body.