Many people are curious about the average penis size, and it’s a topic that has been studied extensively.
While there is no universal definition of what is considered “normal” when it comes to penis size, some general ranges can be used as a guide.
According to several studies, the average penis size when erect is between 5.1 and 5.5 inches.
However, it’s important to note that there is a lot of natural variation in penis size, and some individuals may fall outside of this range. Additionally, penis size can vary depending on a number of factors, including age, ethnicity, and overall health.
While many people may be concerned about the size of their penis, it’s important to remember that size is not the most important factor when it comes to sexual pleasure and satisfaction.
Communication, intimacy, and mutual respect are all key components of a healthy sexual relationship, and focusing too much on penis size can detract from these important elements.
What is Penis Size?
Penis size refers to the length and girth of a man’s penis when erect or flaccid. While there is no one-size-fits-all answer to what is considered a “normal” penis size, there are average measurements that researchers have found through numerous studies.
Average Penis Size
According to a 2015 study published in the British Journal of Urology International, the average penis size when erect is 5.16 inches (13.12 cm) long and 4.59 inches (11.66 cm) in circumference.
NOTE: Penis size varies widely among men and this average is just that – an average.
Another study from 2019, published in the Journal of Urology, found that the average erect penis length was 5.16 inches (13.12 cm), and the average girth was 4.59 inches (11.66 cm).
Variation in Penis Size
It’s important to note that penis size can vary widely among men and that there is no “normal” or “ideal” penis size. Some men may have a penis that is smaller or larger than the average, which is perfectly normal.
Studies have found that the vast majority of men fall within the average range of penis size.
Factors affecting penis size include genetics, age, and overall health.
Some men may also experience changes in penis size due to medical conditions or lifestyle factors such as smoking or obesity.
It’s also worth noting that penis size does not necessarily correlate with sexual pleasure or performance.
Many factors, including emotional connection, communication, and technique, can play a much greater role in sexual satisfaction than penis size alone.
How is Penis Size Measured?
Length
Penis length is measured from the base of the penis to the tip of the glans. To get an accurate measurement, a man should be fully erect. Then, using a ruler or tape measure, place the measuring device at the base of the penis and measure to the tip of the glans.
Note: Measurement should be taken on the top of the penis, not on the underside.
Girth
Penis girth, or circumference, is measured around the thickest part of the penis. To get an accurate measurement, a man should be fully erect. Then, using a flexible tape measure, wrap it around the thickest part of the penis and take note of the measurement.
Penis size can vary from one erection to another and even throughout the day. In addition, factors such as arousal level, temperature, and overall health affect penis size.
Additionally, penis size can also vary greatly among individuals, and no “normal” or “average” size applies to everyone.
Factors Affecting Penis Size
Genetics
Genetics plays a significant role in determining penis size. Studies show that the size of a man’s penis is largely determined by his genes.
If a man’s father has a larger penis, it is more likely that he will have a larger penis as well.
However, this is not always the case. For example, sometimes, a man may have a smaller or larger penis than his father due to genetic variations.
Age
Age is another factor that affects penis size. As a man ages, his penis may shrink slightly due to decreased blood flow and hormonal changes.
However, this is usually not a significant change and does not affect sexual function.
Body Weight
Body weight can also affect penis size. For example, men who are overweight or obese may have a smaller penis due to the buildup of fatty tissue around the pubic area.
This can make the penis appear shorter than it actually is. Losing weight can help reduce this effect.
Hormones
Hormones play a crucial role in determining penis size. Testosterone is the primary hormone responsible for penis growth during puberty.
Men with low levels of testosterone may have a smaller penis than those with normal levels.
Nevertheless, testosterone levels do not necessarily correlate with penis size in adult men.
Race
Studies have shown differences in average penis size among different races.
For example, men of African descent tend to have larger penises than men of Asian descent.
However, it is important to note that these differences are averages and do not apply to every individual.
Christopher Adams is a registered dietitian specializing in weight management and preventative healthcare. He’s also the author of a bestselling book on nutrition and a consultant dietitian for hospitals and wellness centres. Adams believes in empowering individuals to make healthier food choices using evidence-based research and practical advice.