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Ask the Expert Archive

How much water is necessary to drink daily?

A person’s water recommendation is different for each person depending on their height, weight and physical activity level. Adults need roughly 1 ml of water per calorie expended. This works out to be about 8 cups (64 oz) of water and/or other fluids per day for the average adult. To determine how much water you need per day, determine your recommended amount of calories first and then calculate your fluid recommendation based off this number.

2,000 calories x 1 ml = 2,000 ml
1 cup = 240 ml
2,000/240 = approximately 8 cups of water
Water is not only found in beverages (fruit juice, coffee, tea, water itself), but it is also found in foods. Fruits and vegetables have the highest water content compared to most foods. Romaine lettuce, tomatoes, watercress, zucchini, asparagus, cantaloupe, grapefruit, and honeydew melon are among the highest percentage of water. Meeting your recommended water intake each day is very important for many reasons. This is just another reason why fruits and vegetables are extremely beneficial!
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