how many oz of water should you be drinking a day?
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“In general, you should try to drink between half an ounce and an ounce of water for each pound you weigh, every day.” For example, if you weigh 150 pounds, that would be 75 to 150 ounces of water a day.
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You may have heard of the 8x8 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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Both are American studies that refer to research into the '8x8' rule, which promotes drinking at least eight 8-oz glasses of water a day (1.9 litres). This is much more than the 'about 6-8 glasses' (1.2 litres) of fluid a day advocated by the UK government. Keeping hydrated is important.
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So how much should we be drinking to stay hydrated? As a rough guide, adults should aim for 1.5 – 2L (6-8 cups) of fluid each day and children 1 – 1.5L (4-6 cups). This includes all drinks, including those listed below, and water. If you are exercising or playing a lot of sport you will need more.
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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.
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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.
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Water is cheap and healthy. And drinking H2O is an effective way for most people to stay hydrated. The National Academy of Medicine recommends that adult women and men drink at least 91 and 125 ounces of water a day, respectively. (For context, one gallon is 128 fluid ounces.)
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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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If you really want the water you drink to help you lose weight, you should follow the “8x8” rule recommended by most nutritionists: Drink eight eight-ounce glasses of water per day for weight loss and to maintain an ideal weight.
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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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Hot water is no different than room temperature or cool water when it comes to keeping you hydrated. A common recommendation from health authorities is that an adult should drink eight 8-ounce glasses (about 2 liters or a half gallon) of water 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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How Much Water Should I Drink Every Day? The National Academy of Sciences recommends drinking about 11 cups of water per day for women and 16 cups per day for men. But, this number can vary based on lifestyle, body size, and other factors. If you're active, you'll need to increase your daily water intake.
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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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The National Academy of Sciences recommends drinking about 11 cups of water per day for women and 16 cups per day for men. But, this number can vary based on lifestyle, body size, and other factors. If you're active, you'll need to increase your daily water intake.
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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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For instance, a person who is 200 pounds, should drink 100 oz. of water per day to be adequately hydrated. (That's 12.5 glasses of water!) An athlete with a high level of muscle mass should drink even more, about two-thirds of their body weight in ounces per day.