How Much Blood Is In the Human Body?(Litres, Quarts, Pints & Gallons)

Do you have a question that how much blood is in the human body? The average amount of blood in the human body depends on may factors. Here I come up with an article to give answers to your question in the blood volume in Litres, Quarts, Pints and Gallons. Before that just have a look at the components of blood, Importance of blood and what will happen if you are out of blood.

Components of Blood

Blood contains Red Blood Cells (RBCs), White Blood Cells (WBCs), and Platelets and Plasma.

Out of which Plasma comprises of about 55% of blood volume and the other three components comprises of about 45% of blood volume.

Functions of Blood

  • The blood carries the Antibodies, Electrolytes, Heat, Hormones, Nourishment, Oxygen, and Vitamins to the body tissues.
  • The blood removes the wastes matter and the carbon dioxide from the body.

What Happen If there is No Blood in the Body?

There is no life without blood.

  • If there is no blood, then there won’t be any oxygen supply to your body. Since blood supplies oxygen to your body in the form of RBCs.
  • If there is no WBCs, then you can’t withstand any illness or infection. Your immune system loses its power and goes down.
  • Also, your tissues won’t be healthy. So you will face all kinds of diseases.

How Much Blood Is In The Human Body

How Much Blood is in the Human Body?

Let’s see how much of blood is in the human body in terms of quantities such as liters, gallons, quarts and pints.

How Many Liters of Blood in the Human Body?

An average adult male weighing 160 pounds has 5 liters of blood in his body. An average female has slightly lesser than 5 liters of blood in the body.

The volume of blood in a person’s body approximately comprises of 1/11th of the whole body weight. The human body can hold an average of 6 litres of blood in the body.

In short, the average amount of blood in human body is 5-6 litres.

How Many Quarts of Blood are in the Human Body?

An average adult human with 160 pounds (72 kilograms) has 5.28 US Quarts of blood in the body.

How Many Gallons of Blood are in the Human Body?

An average adult human with 160 pounds (72 kilograms) has 1.3 US Gallons of blood in the body.

How Many Pints of Blood in the Human Body?

An average adult human with 160 pounds has 10.5 Pints of blood in the body.

How Much Blood Does an Average Child Have?

An average child with a weight of 80 pounds has 2.5 liters of blood (like half of blood from adult human) in the body.

How Much Blood Does a Pregnant Woman Have?

A woman with a normal-sized fetus with an approximately birth weight of 3.3 kg, may have extra 1.25 liters of blood than non-pregnant woman due to the increase in plasma volume. (Ref)

How Much Blood is in Your Body?

Are you looking about how to calculate the amount of blood in your body? Blood volume in your body is calculated by using the below formula,

   Blood Volume=(Plasma Volume)/(1-Hematocrit)

Where,

Plasma Volume = The total volume of blood plasma.

Hematocrit = Volume Percentage of RBCs in the blood.

You can easily calculate your blood volume with the help of online Blood Volume Calculator.

How Much Blood Can a Person Lose?

According to the American Society of Hematology, a person can lose roughly 10-15 percent of the body’s total volume of blood without facing any serious medical illness.

How Fast Does Blood Regenerate?    

According to the American Red Cross, your body takes 24 hours to regenerate the lost plasma, 4-6 weeks to regenerate RBCs (For each pint of blood lost).

Blood Volume Dependent Factors

The approximation of blood volume depends on the below factors

  • Age
  • Altitude
  • Size of a person
  • Amount of lean body mass
  • Body fat percentage
  • The State of Hydration
  • Gender
  • Weight
  • The volume of the cellular elements(RBCs and WBCs)

Women have a higher body fat so they have lower blood volume than men.

Also, people who are living at high altitude may have more blood volume than the people who are living in low altitudes (below or at the sea level). Since the people who are living at higher altitude needs more oxygen, they have a high volume of blood.

Blood volume of your body is regulated by the kidneys.

In a nutshell,

How much blood is in the human body? The average amount of blood in the human body depends on may factors. Hope you are clear about how much blood is in the human body in terms of liters, pints, quarts, and gallons. Increase your RBCs count and improve your immune system. Also, increase your blood level to get relief from diseases.

About the author

Nagendra Kumar

Nagendra Kumar is the Founder and CEO of Askmyhealth. He oversees the Management strategies and execution of all content on Askmyhealth.

He has a decade’s worth of experience in online content editorial strategy and online consumer research with a specific focus on health, fitness and lifestyle content. He is specialized in Home Remedies, Diet, Fitness, and Nutrition.

To contact: nagendra@askmyhealth.com

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