The average adult human body contains about 10.5 pints of blood, which is roughly equivalent to 5 liters or 1.3 gallons. This amount can vary depending on factors such as age, sex, body size, and overall health. Typically, blood volume accounts for about 7–8% of an adult's body weight
. More specifically:
- An average adult male may have around 12 pints (about 5.7 liters) of blood.
- An average adult female may have around 9 to 10 pints (about 4.3 to 5 liters) of blood.
- Children and infants have proportionally less blood, with infants having about 75–85 milliliters of blood per kilogram of body weight
In summary, the typical range for blood volume in an adult human is approximately 8 to 12 pints, with an average around 10.5 pints
