how much water are you supposed drink a day?
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The National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is: About 15.5 cups (3.7 liters) of fluids for men. About 11.5 cups (2.7 liters) of fluids a day for women.
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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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The NHS advise drinking six to eight glasses of fluids per day. However, drinking way more than that can impact negatively on your health too. To put it into another perspective, this is about three or four 500ml bottles of water.
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There is no exact number for everyone since it varies based on your body, activity level, diet, climate, and more. Generally speaking, doctors recommend that you get at least 6 cups of water daily at a minimum but most people should be drinking more than that.
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To stay healthy, you should continuously replenish your fluid supply. Many experts recommend drinking two quarts (64 ounces or about eight glasses) of water each day. However, that may be too much for some people or not enough for others. What's most important is to drink water when you're thirsty.
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The average human should be drinking at least 8 cups, or 64 oz, of water a day. This means that if you fill up your reusable bottle once, you are already drinking half of your daily goal. This amount of water alone would require you to use two 16-oz plastic bottles; you'd need four for the entire 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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Water requirements can vary based on a variety of factors, including age, body weight and activity level. However, most research recommends drinking around 1–2 liters (34–68 ounces) of water per day to stay well-hydrated.
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It is recommended that women should drink about 1.6 litres and men about 2 litres of water per day. That's about eight glasses of 200ml each for a woman, and 10 glasses of 200ml each for a man. However, you will need to drink more if you are exercising or if it's hot i.e. if you are sweating more.
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We recommend drinking 64 ounces of water each day. Consult with your healthcare provider prior to changing the amount of water you drink as it can affect certain health conditions and medications.
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Instead of the 64 oz (8-8 oz glasses) rule, opt for drinking one-half to two-thirds of your body weight in ounces of water each day. For example, someone who weighs 150 pounds should drink at least 75 oz each day. According to the Mayo Clinic, the average adult loses in excess of 10 cups of water per day.
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Says nutritionist Venu Adhiya Hirani, “While the general belief is to drink eight to 10 glasses of water, it is advisable to drink 12 to 15 glasses of fluids which includes water, tea, buttermilk, soup, etc. This would amount to an intake of around 2.5 litres of fluids everyday.”
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A: This answer will vary from person to person, but as a general rule, you should get about six to eight 8-ounce glasses of fluids a day (if you're very active or live in a warm climate, you may need to up your intake a bit).
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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). That's the wrong answer. Despite the pervasiveness of this easily remembered rule, there is no scientific evidence to back it up, according to a 2002 review of studies.
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How much do you need? The recommended daily fluid intake for men is 2,500ml, and for women, 2,000ml* – although factors such as temperature and how active you are can influence this. Feeling thirsty is a sign you need to drink more – but ideally you should avoid getting to that stage.
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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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Calculating water consumption To calculate how much water you should drink daily to maintain a healthy amount of water in your body, divide your weight in pounds by 2 and drink that amount in ounces. For example, a 180-pound person should aim for 90 ounces of water, or about seven to eight 12-ounce glasses, each day.