The composition of the average human man can be broken down into a series of specific physical measurements and statistics—some of which might surprise you. For example, an average man’s head is about 7 percent of his body weight. That means the average man with a weight of 172 pounds has a head that weighs more than 12 pounds!
By identifying these standard stats and measures, some health issues can be more easily identified when a specific measure skews outside of these averages; however, also being averages, variations do not necessarily mean there is a health issue.
5 feet, 9 inches (1.77 meters)
172 lbs. (78 kilograms)
Average Weight Distribution by Tissue Type
- 43 percent muscle
- 14 percent fat
- 14 percent bone and marrow
- 12 percent internal organs
- 9 percent connective tissue and skin
- 8 percent blood
Average Body Weight Distribution
- 47 percent trunk and neck
- 34 percent legs
- 12 percent arms
- 7 percent head
33 percent of the average man’s body is water.
Average Area of Skin
If laid flat, the average man’s skin would cover between 36 to 59 feet (11 to 18 meters)!
Average Lifetime Heart Beats
2,700,000,000 beats over an average lifetime, at a rate of 72 to 80 beats per minute.
Total Number of Bones
Average Number of Sperm Produced
The average man can produce 3,000 sperm a second.
Average Number of Sperm Per Ejaculation
200 to 300 million. But it only takes one at the right place at the right time to make a baby. A low sperm count is considered to be less than 15 million sperm per milliliter of semen. An average ejaculation volume is 1.5 to 5.0 milliliters.
Average Male Voice Audibility
The average man can be vocally understood at a distance of up to 200 yards; however, measured at night over still water, the maximum distance is 10.5 miles.
Average Hair Count
A man has an average of 100,000 hairs on his body. It may seem like there are more when you have clean out your shower drain.
Average Penis Size
When flaccid, the average penis length ranges from 2.8 to 3.9 inches (7 to 10 centimeters) and the average circumference is 3.7 inches (9.3 centimeters). When erect, the average penis length for a human male ranges from 4.7 to 6.3 inches (12 to 16 centimeters), and the circumference is 4.6 inches (11.6 centimeters). Measuring your erect penis length and girth is useful for selecting the correct size of a condom.
Average Breakdown of Man in Elements
- 65 percent oxygen
- 18.5 percent carbon
- 9.5 percent hydrogen
- 3.3 percent nitrogen
- 1.5 percent calcium
- 1 percent phosphorus
- 0.35 percent or less of potassium, sulfur, chlorine, sodium, and magnesium
- There are also traces of iron, fluorine, iodine, zinc, and a few others and a few others