The average density of the human body is 985 kilograms per cubic meter (kg/m^3). However, the density of the human body can vary depending on a number of factors, including:
Air inhalation
When a person inhales as much air as possible, their body density decreases to 945 kg/m^3.
Age
The density of bones in children is less than that of adults, while athletes typically have denser bones than non-athletes.
Body composition
A study of 13 healthy adults found that the average lean density of their bodies was 1.096 grams per cubic centimeter (g/cc).
Body density can be measured using a dunk tank or a body pod, which are expensive pieces of equipment that require special training. Both methods require the participant to wear a tight-fitting bathing suit, and the body pod also requires a swim cap. The measurement time is usually around 3–5 minutes.
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