Girls and boys between 4 and 8 years old should drink 40 ounces per day, or 5 cups. This amount increases to 56–64 ounces, or 7–8 cups, by ages 9 to 13 years. For ages 14 to 18, the recommended water intake is 64–88 ounces, or 8–11 cups.Click to see full answer. Considering this, how many oz of water should I drink a day?To prevent dehydration, you need to drink adequate amounts of water. There are many different opinions on how much water you should be drinking every day. Health authorities commonly recommend eight 8-ounce glasses, which equals about 2 liters, or half a gallon. This is called the 8×8 rule and is very easy to remember.Additionally, is 40oz of water a day good? You may have heard that you should drink eight 8-ounce (237 milliliters) glasses of water a day (totaling 64 ounces, or about 1.9 liters). Yes, it’s true that guzzling H2O is an inexpensive and calorie-free way to whet your whistle, but the “8 x 8” rule crucially overlooks two big sources of daily water consumption. Likewise, people ask, how many Oz is 8 glasses of water? The Origin of the 8×8 Rule For someone eating a diet of 2,000 calories per day, this adds up to 2,000 ml (roughly 64 oz), or eight 8-oz glasses. But the report also declared that much of this water could be obtained from foods you consume.Is 50 oz of water a day enough?A new article published in the Harvard Health Letter recommends drinking 30 to 50 ounces a day, an amount equal to about four to six glasses of water.
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