How much water should a person drink in a day?

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Water is a tasteless, colourless, odourless, and chemical-free liquid that is the main component of the earth’s hydrosphere.

Water is essential for all living organisms, even though it doesn’t provide any nutrition.

We can hardly find a person who doesn’t know what water is. Water is the colourless liquid the calls from the sky in the form of rain and form streams, rivers, lakes and oceans.

Water is used in streams of life like washing, cooking, cleaning and drinking.

Water is the main constituent that is essential to support life.

Why is water important?

Right from our childhood, we learn the importance of water. We are always taught to save water, conserve it and recycle it.

After oxygen, water is the most essential requirement of any living organism. For humans, more than half of our bodies consist of water. Without water, humans can’t survive for more than a few days. Meanwhile, a person can survive for weeks without food.

  • Water is found in every cell of the human body. It is responsible for carrying the oxygen and nutrients across the body to the various organs.
  • Water acts as a lubricant for the joints in our body. It serves as a natural cushioning and helps in recovering from joint pains.
  • Water is essential for the body to produce saliva
  • Consuming Water helps prevent dehydration
  • Drinking water helps us to maintain a healthy body weight
  • Water is a natural way of waste management in our body it flushes out the toxins which are present inside us.
  • Water helps in regulating and maintaining the body temperature.

Water is necessary for almost everything our body does.

What happens if you do not drink enough water?

As we understand, water is an essential constituent of life. Not consuming enough water would have certain effects on our body.

Not consuming enough water may cause body fatigue and weaken immunity.

Some of the side effects may include:

Bad breath

As water plays a vital role in the production of saliva. Saliva washes away the bacteria present in the teeth and gums. If a person has good oral hygiene and yet suffers from bad breath, he should consider consuming a lot of water.

Body fatigue

Continuous activities would make a person tired. This is caused due to the loss of fluids from the body. The lack of water in our bodies would make us feel episodes of tiredness throughout the day. Thus, by increasing the water intake, we can prevent body fat Ignis.


Water plays an important role in flushing out the toxins in our bodies. Toxins are harmful and may cause illness to a person frequently. Only the toxins are flushed out of the body such illness can be prevented. Therefore, consuming water is essential.


Water helps in smooth bowel movement. When a person doesn’t consume enough water, he may experience difficulty and have digestion issues as the intestine would require more fluid to move the waste and push it out of the body.

Skin health

Water prevents the formation of dry skin. Water hydrates the skin cells, which makes the skin look young and plump. Water may also help prevent the formation of acne and other skin-related problems.

To avoid all these problems and chill for a person to consume adequate water every day.

How much water should a person consume in a day? 

Consuming adequate water, it’s very important as every day or body tends to lose water through urine bubble moments and breath.

To ensure that our body is functioning smoothly despite the loss of water, we must replenish the water supply by consuming food that contains water or drinking enough water.

We often hear people telling others to consume at least eight glasses of water a day. This is a reasonable goal.

An average healthy male would require about 3 L of water a day, and a female would require 2.5 L per day.

This includes the water which is covered from other food and beverages a person consumes.

If the water intake is adequate, a person would rarely feel thirsty.

The colour of the urine is light yellow or colourless.

The numbers mentioned above are standard recommendations provided in general view.

A dietician would help us determine the amount of water that is right for us.

The water requirement of every individual varies.

Drinking water according to body weight varies from individual to individual.

Assuming a person is around 80 kg, he should multiply his weight by 0.033 and find out how many ways he needs to drink in a day (80* 0.033 = 2.64). Anyone who weighs 80 kgs should drink 2.64L of water.

To explain this in numeric terms and determine how much water a person should drink, refer the chart below.


Optimal water requirement
50kgs – 75 kgs1.65L -2.4L
76kgs – 90kgs2.5L – 2.9L

91kgs – 110kgs

 3L – 3.6L


Water is an essential component that is required for all living organisms. Consuming water adequately it’s very important. Drinking water has a lot of benefits, also assisting in weight loss.

For a long time, people believe that drinking water has been linked with weight loss. Should we consider this as a myth, or is it a fact?

Yes, drinking enough water would restrict the unwanted calorie intake and thus help in reducing weight.

Proper hydration helps in recovery after a workout. Being hydrated would improve the workout performance of an individual.

Water, directly and indirectly, helps in weight management.

Without water, organisms can’t sustain themselves. We need to understand that water is the most valuable resource that needs to be consumed in the right quantity, conserved with care, and recycled effectively.


The Information including but not limited to text, graphics, images and other material contained on this blog are intended for education and awareness only. No material on this blog is intended to be a substitute for professional medical help including diagnosis or treatment. It is always advisable to consult medical professional before relying on the content. Neither the Author nor Star Health and Allied Insurance Co. Ltd accepts any responsibility for any potential risk to any visitor/reader.

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