Water how many litres a day

But your individual water needs depend on many factors, including your health, how active you are and where you live. No single formula fits everyone. But knowing more about your body's need for fluids will help you estimate how much water to drink each day.

Your body depends on water to survive. Lack of water can lead to dehydration — a condition that occurs when you don't have enough water in your body to carry out normal functions. Even mild dehydration can drain your energy and make you tired.

Every day you lose water through your breath, perspiration, urine and bowel movements. For your body to function properly, you must replenish its water supply by consuming beverages and foods that contain water. So how much fluid does the average, healthy adult living in a temperate climate need?

The U. National Academies of Sciences, Engineering, and Medicine determined that an adequate daily fluid intake is:. These recommendations cover fluids from water, other beverages and food. You've probably heard the advice to drink eight glasses of water a day. That's easy to remember, and it's a reasonable goal. Most healthy people can stay hydrated by drinking water and other fluids whenever they feel thirsty.

For some people, fewer than eight glasses a day might be enough. But other people might need more. You don't need to rely only on water to meet your fluid needs.

What you eat also provides a significant portion. In addition, beverages such as milk, juice and herbal teas are composed mostly of water. Even caffeinated drinks — such as coffee and soda — can contribute to your daily water intake.

But go easy on sugar-sweetened drinks. Regular soda, energy or sports drinks, and other sweet drinks usually contain a lot of added sugar, which may provide more calories than needed.

Your doctor or dietitian can help you determine the amount of water that's right for you every day. To prevent dehydration and make sure your body has the fluids it needs, make water your beverage of choice.

It's a good idea to drink a glass of water:. Drinking too much water is rarely a problem for healthy, well-nourished adults. Drinking enough water is important for many aspects of health, including body temperature, nutrient transport, and brain function. Increasing your water intake may aid weight loss. Drinking water just before meals can be especially useful, as it can promote feelings of fullness and reduce appetite. Drinking water may also temporarily boost your metabolism , which can increase the number of calories you burn throughout the day.

Water may help you feel full and temporarily increase your metabolism, which may bolster weight loss. Some research suggests that drinking more water can help keep your skin supple and smooth. For example, a month-long study in 49 people determined that increasing water intake by 2 liters 67 ounces per day improved skin hydration, especially in those who typically drank under 3.

Another study in 40 older adults linked higher fluid intake to increased skin hydration and skin surface pH 9. Additionally, a review of six studies found that increased water intake reduced dryness and roughness, increased skin elasticity, and enhanced hydration Drinking more water may promote healthy skin by increasing hydration and elasticity while reducing roughness and dryness.

Drinking 3 liters ounces of water per day may aid bowel regularity, prevent kidney stones, alleviate headaches, improve mood, and strengthen physical performance.

While drinking more water may aid your health, 3 liters ounces may not be the right amount for everyone. Currently, no official recommendations exist for the intake of plain water alone. The amount you need is based on several factors, such as age, gender, and activity level You have successfully subscribed to our newsletter.

Related Articles. Trending Topics. Share this article via email with one or more people using the form below. Place a cistern displacement device in your toilet cistern to reduce the volume of water used in each flush.

You can get one of these from your water provider. If you lose 1 liter of water per day and drink 1 liter each day, 2 gallons 7. The largest use of household water is to flush the toilet, followed by taking showers and baths. Older, inefficient toilets can use as much as three to six gallons per flush. Letting the water run when brushing your teeth or shaving.