What Is the Average (and Ideal) Percentage of Water in Your Body?

Regarding your health, you have to always think about body fat and even muscle mass. These are very much necessary, but you should never forget the amount of body water you need.

Keep in mind that body water is what matters and not your fat or muscles. The so-called water mass is the largest percentage of the human body weight.

WHAT IS BODY WATER?

Well, body water is nothing but the amount of water content found in a normal human body. Clinical studies show that around 60% of the human body would have water. Not only that, you would be surprised to know that almost all the major cells present in your body would be having water.

Your muscle mass contains roughly more than 70% of water, and your brain would be having around 75% of water. And most importantly, your bones would be having 31% of water. So, overall the entire body weight constitutes around 45-46% of water.

BODY WATER PERCENTAGE CHART

Do you know that in the first few months of your life, you start to lose water? Well, roughly three-fourth of the bodyweight would be made of water, and as you begin to age and grow, that keeps going lower and lower.

Here the major reason for the decrease would be the presence of body fat and even fat-free masses.

The following chart would provide a clear explanation of how it works for adults.

Adults Age 12 to 18 Age 19 to 50 Age 51 & Above
Male The average would be 59%. Sometimes it can range from 53-66% Here the average would be 59%. But the range would be somewhere around 43%-73% The average would be 56%. And it can range from 47%-67%
Female The average would be 56%. It would range from 49% to 63% Here the average would be somewhere around 50%. But it can range from 41% to around 60% Now the average here would be 47%. However, the range can be somewhere around 39% to 57%

Regarding the percentage of body weight found in children, it would be different. The below chart can provide you a clear picture –

  From Birth To 6 Months 6 Months To 1 Year 1 To 12 Years
Infants And Kids The average would be around 74%. This can range from 64% to around 84% Here the average would be around 60%. It can range from 57% to 64%. The average would be around 60%. And it can range from 49% to 75%.

WHERE ARE ALL THIS WATER GETTING STORED IN YOUR BODY?

As all this water is stored in your body, you would be wondering where this water would be stored in your body. You can see how much water would be residing in your organ, tissue, and other body parts in the following table.

Body Parts Water Percentage
Lungs 83%
Brain And Heart 73%
Skin 64%
Bones 31%
Muscles And Kidney 79%

Additionally, the plasma would be around 90% of water. Also, the plasma would carry the blood cells, hormones, and nutrients throughout the whole body.

You would be surprised to see this huge amount of water that your body is made up of. But the question that would come into your mind is where is this much amount of water stored. Well, each of the organs of your body stores the required amount of water for its function.

Do you know the brain and the heart store around 73% of water? About the skin, it stores around 64% of water. The lungs would store around 84% of water, while the bones have the lowest at around 31%.

THE AMOUNT OF WATER THAT IS STORED AT CELLULAR LEVEL AND HOW?

Scientific studies show that in the human body, water is stored on each of the cells. Here it can be in two ways. One is the ICF (intracellular fluid), which is the fluid present within the cells. The other one is the extracellular fluid (ECF), and that is the major fluid that would commonly be present outside the cell.

Here around two-third of the water present in the body would be present inside the cell. And the remaining ones would be in the extracellular fluid. Do you know that the sodium, potassium, and other minerals we consume help maintain the ECF and ICF balances?

THE NECESSITY OF WATER FOR YOUR BODY TO FUNCTION

You need to consume a good amount of water for performing the below body functions –

● Helps to moisten the various tissues present in the nose, eyes, mouth, etc.
● Helps to regulate the body temperature.
● Secures one’s organs and tissues.
● Helps to lubricate the joints of the body
● Transfer the required oxygen and nutrients to the cells present in the body
● Reduces the burden on the liver and kidney. It would do this by flushing out the waste products.
● Dissolves the nutrients and minerals. So, it is accessible to your body.

DETERMINING THE WATER PERCENTAGE OF YOUR BODY

There are multiple ways you can measure the body water percentage. The commonly used is the Watson method. Here the formula differs for both men and women.

For men, the formula is –

2.447 – (0.09145 x age) + (0.1074 x height in centimeters) + (0.3362 x weight in kilograms) = total body water (TBW) in liters

But for the women, the formula is –

2.097 + (0.1069 x height in centimeters) + (0.2466 x weight in kilograms) = total body weight (TBW) in liters

IT IS EASY TO MAINTAIN HEALTHY WATER PERCENTAGE

Keep in mind that the ideal water percentage would vary. Most importantly, there are many factors involved. Body composition, age, and gender are some of the ones that can affect the percentage.

Generally, men have more body water percentage compared to women. The major reason for this is since women have more tissues compared to men.

CALCULATION OF THE AMOUNT OF WATER CONSUMED

Do you know that it is easy to calculate the amount of water consumed? All you have to do is divide the weight of the human being in pounds by two. That would be the amount of water the particular human being has to drink.

FOODSTUFFS WITH HIGH CONCENTRATION OF WATER

Some of the foodstuffs with good water are lettuce, cucumber, strawberries, spinach, skim milk, etc.

HOW DO YOU KNOW YOU ARE DEHYDRATED?

You have to check out for the following symptoms –
● Feeling lightheaded
● Often feeling thirsty
● Strong-smelling and dark yellow pee
● Dry lips, mouth, and eyes

RISK INVOLVED WHEN YOU ARE DEHYDRATED

● You would get a heat injury.
● You can end up having kidney and urinary issues.
● You might get seizures.
● Leading to low blood volume shock

IS IT GOOD TO DRINK A LOT OF WATER?

If you are healthy, there is no issue with drinking a lot of water. It is common for athletes to drink a lot of water to avoid dehydration. This is after intense and long hardcore exercises.

The Takeaway

Keep in mind that the percentage of water present in your body would change with age, weight gain and loss, daily water consumption, etc. So, as long as you make the water and fluid intake the major part of your day, you can have a great water percentage.

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