how much water should a person drink calculator?
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Second, you should multiply your weight by 2/3 to calculate how much water you need to drink on a daily basis. For example, if you weigh 160 pounds, the calculation will be as follows: 160 × 2/3 = 107 ounces (3.15 liters) of water per day.
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For women, the amount of total water is about 11.5 cups per day and for men about 15.5 cups. These estimates, however, include fluids consumed from both foods and beverages, including water. You typically get about 20% of the water you need from the food you eat.
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There's no specific recommendation of how much water each unique person should drink but a common guideline is to drink eight to ten 8-ounce glasses of water throughout the day.
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The Institute of Medicine (IOM) recommends that men drink at least 101 ounces of water per day, which is a little under 13 cups. They say women should drink at least 74 ounces, which is a little over 9 cups. Still, the answer to exactly how much water you should drink isn't so simple.
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Instead, think about how much you weigh and divide that number in half. That's how many ounces of water you should drink per day. For instance, a person who is 200 pounds, should drink 100 oz. of water per day to be adequately hydrated.
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You may have heard of the 8×8 rule. It states that you should drink eight 8-ounce glasses of water per day. That's half a gallon of water (about 2 liters). This claim has become somewhat of an accepted wisdom and is very easy to remember.
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—, it would be somewhere between 1 and 3 liters— that's the equivalent of losing between four and 13 8-ounce glasses of water every day. To stay well hydrated, the U.S. government estimates that women need 2.7 liters (11 glasses) of water and men need 3.7 liters (16 glasses) each day.
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Shapiro recommended drinking half your body weight in ounces of water. So, if you weigh 180 pounds, you should drink 90 ounces of water. If you're 150 pounds, drink 75 ounces.
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The European Food Safety Authority recommends that women should drink about 1.6 litres of fluid and men should drink about 2.0 litres of fluid per day. That's about eight glasses of 200ml each for a woman, and 10 glasses of 200ml each for a man.
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How much water do you need to drink? It seems like an average adult should be drinking about eight 8-ounce glasses of water each day. This means most people should drink about 2 liters or half a gallon of water each day.
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You should drink half your body weight in ounces of water per day. Yup, that's right! So if you weigh 120 pounds, you should be drinking 60 ounces of H₂O each and every day.
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The general rule of thumb is that you should drink eight 8 ounce glasses of water per day (at least). Interestingly some agencies claim that total fluid intake (water and other fluids) should exceed 3 liters for men and 2.2 liters for women.
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How much water should you drink a day? Girls aged 9-13 years need 1.3 to 1.5 litres per day. Boys aged 9-13 years need 1.5 to 1.7 litres per day.
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The answer is the number of litres you should be drinking per day. So, if you weigh 60 kilos for example, you should drink 2 litres of water a day, whereas if you weigh 80 kilos, you should drink 2.6 litres (2 litres and 600 ml) of water per day.
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Body weight. A slightly easier way to estimate water needs is by weight. Consume 30 to 40 milliliters of water for every kilogram of weight. If you weight 50 kilograms (110 pounds), for instance, you need at least 1.5 to 2 liters of water per day.
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The formula for minimum, daily hydration (not inclusive of training) is as follows: ½ body weight in ounces. So, if I weight 200 lbs., at a minimum, I should drink 100 oz. of water every day without exercise. For every hour of exercise add another 20 ounces of water to your daily intake.
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The more your weigh, the more water you need to drink. For instance, a healthy person, weighing in at 70 kg and measuring 5 feet 10 inches would be required to drink around 2 litres of water each day. Adult men need to drink more water than adult women, but not by much. The difference is roughly around 0.5 litres.