How Much Water We Should Drink Every Day According to the Weight!

The most common advice is “Drink more water”. Whether the problem is dizziness, high blood pressure, headaches, dry skin or trying lose weight, drinking more or enough water can be very helpful solution for many health problems. But what exactly means “enough?”

The most abundant nutrient on Earth is this liquid. The world has around 333 million cubic miles of water, and the human body contains about 60% water. Having the information from the National Health and Nutrition Examination Surveys, the average American is drinking around 3.18 liters or 13.4 cups every day. While that sounds a lot, here’s the real thing: 48% comes from beverages other than plain drinking water.

Those drinks are:

  • sugary sodas or juices, and
  • 18% comes from food.

So the real amount of drinking this liquid that Americans are actually consuming is much lower.


A study made by the Harvard T.H. Chan School of Public Health found that more than 50% of all adolescents and children in the U.S are not getting enough hydration because they don’t drink enough. While anyone can become dehydrated, young children are at a higher risk, together with older adults and people with chronic illnesses.

Not consuming enough water can put us at risk for dehydration, causing symptoms such as:

  • fatigue,
  • dry mouth,
  • decreased urine output,
  • thirst,
  • constipation,
  • dry skin,
  • headache, and
  • dizziness

Severe dehydration can be  medical emergency. It can actually lead to rapid heart rate, fever, rapid breathing, low blood pressure, little or no urination and delirium.

What’s the Effect of Drinking Water?

So is really that important drinking “enough” during the day? Well, it is life! It does more than just satisfy your thirst. In all of the cells, tissues and organs, our body uses this liquid. This liquid helps regulate body temperature and maintain other important functions of the body. Have you ever experienced a dry skin, dry mouth or dry eyes? Keeping the hydration of our body by simply drinking water helps maintaining optimum levels of moisture in these areas, as well as in the bones, blood and brain. This liquid also helps protect the spinal cord, acting as a lubricant and cushioning for joints.

In a lot of ways, our body can lose water, including sweating, breathing, digestion or through an illness that causes vomiting, fever or diarrhea. Adequate consumption of this liquid allows our body to eliminate toxins and excrete waste through urination, perspiration and defecation. The liver and kidneys use water to keep things moving properly and help flush out waste.

glass water

How Much Water Should We Drink?

The benefits of this liquid are enormous and clear. In order to maintain the health, our body absolutely needs it. But how much exactly does our body need? The easiest way to calculate how much water you should drink every day is to factor in your level of physical activity and your weight. Generally, every day you should strive for between 25-50% of your body weight in ounces of water. If your weigh is 160 pounds, for example, every day you should be drinking 40-80 oz of water. You should aim for the higher end of the spectrum, if you’re physically active. In this case, it would be 80 ounces. Drinking plenty of this liquid after exercising is important in order to re-hydrate because the body loses water through sweating.

Watch the following video for more information on how much of this liquid you should drink every day:


Source: DavidWolfe

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