How Much Blood Do You Have in Your Body?

The amount of blood in a person’s body depends on how big he or she is, and surprisingly enough, on where that person lives.

For example, if you weigh about 80 pounds, you have about 2.5 quarts of blood in your body, while your 160-pound father has about five quarts, or twice as much. When you were an infant, perhaps about one month old, you had only about ten ounces of blood in your body.

If you live in high mountain areas where there is less oxygen in the air, you might have up to two more quarts of blood in your body. This additional blood is necessary to capture the extra oxygen your body needs to work and grow at greater altitudes.

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

5 thoughts on “How Much Blood Do You Have in Your Body?”

  1. So today I went to the doctor. She is one of the best doctors too. She said something about me having 9.9 something blood left and I’m short on blood. What should I do?

  2. Kaitlyn,
    If your doctor is so good, why don’t you ask her what to do, instead of a bunch of randoms on the internet?

    My answer: When My blood gets low, My “low blood” warning light comes on and then I go fill up.

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