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Sexual Wellness

What's The Average Penis and Erection Size?

Fact Checked

Are you concerned about your penis size? Guess what! You are not the only one. There is probably not a single guy out there who hasn’t been worried about the size of his penis at some point in his life.

Last Updated: 11/15/2021

Written by

Warren Dutton

Medically Reviewed by

Dr. Paul Thompson

Are you concerned about your penis size? Guess what! You are not the only one. There is probably not a single guy out there who hasn’t been worried about the size of his penis at some point in his life.

Similar to women’s breasts, a male’s penis, comes in all different shapes and sizes. 

Men often wonder how their penis compares to the average size, which is normal. However, this should not shape your self-esteem or confidence in your sexual abilities. There are tons of other factors that make you attractive to a woman and help you perform outstandingly great in bed. 

Most guys have a normal penis, even though they might be not so sure about it. Internet pornography use could be blamed for that because it distorts men’s picture of what the average size is. 

Average penis size

The average length of a flaccid penis (hence, soft, not erect penis) is 3.61 inches or 9.16 cm. The average circumference (a.k.a girth) of a flaccid penis is 3.66 inches, which is 9.29 cm. 

The average erect penis length measures 6 inches (15.24 cm) with a girth of 5 inches (12.7 cm). (1) (2)

Keep in mind that these numbers are simply average numbers. An inch or two, more or less, does not mean that there is anything wrong with your penis. 

Factors influencing penis size

Penis size is largely hereditary. Some environmental factors can also influence the penis size, such as the mother’s exposure to alcohol, drugs, and chemicals during pregnancy. However, if a baby is born with a medical condition due to external factors, the size of his penis would probably be the least important issue. 

A penis might continue to grow until a person is 21 years old and its size is strongly influenced by the hormones of puberty. The most drastic growth occurs between ages 10 and 14. (3)

There are a few medical conditions that affect penis size. 

Micropenis 

Micropenis is a medical condition that affects 0.6% of men. It results in an unusually small penis that is shorter than 2.7 inches (7 cm) when erect. The diagnosis is recognized after birth and is due to hormonal or genetic factors. Even though people might be worried about the appearance of a micropenis, it carries out the same function as an average-sized penis. (4)

There are hormonal treatments and surgery that can increase the size of a micropenis. (5)

Buried Penis 

In this condition, there is additional skin around an average-sized penis and it appears “hidden”. A buried penis can lead to poor hygiene, infection, or disrupted sexual function. 

The condition is common for obese men but not every obese male has this condition. 

In very young children, this medical issue could resolve itself, but patients usually need surgery.  (6)

Myths about penis size

There are a few widespread myths about penis size and growth that might worry teens and younger guys. 

  • There is a link between the size of the penis and other body parts. 

Uhm… not really. There is no correlation between the size of other body parts, such as the hands, fingers, or feet, and the size of your penis. 

  • There is a link between facial hair and penis size.

Another common myth that is far away from reality. The color or the thickness of facial hair is not related to the penis size in any way. 

  • A bigger penis guarantees greater sexual satisfaction

Research has shown that larger penis size does not result in more pleasure for either partner. (1)

  • A larger penis means more masculine traits. 

Well, think again. Just like with the other myths above, there is no logical reason for this claim to be true. To be masculine is to be ambitious, strong, honest, kind, respectful, and a man who keeps his promises. These traits have nothing to do with penis size. 

How to measure penis size? 

You’ve already read so much about penis size that you might be curious to find out the size of your own penis, just for the sake of knowing it. 

To measure the length of your penis, position a ruler at the base and press it into the pubic bone. Measure from the base of your penis to the end of the tip. 

To measure the circumference, take a measuring tape and wrap it at the widest part of the penis.

Does size matter? 

Does size matter to your partner? The answer to this question is probably the main reason for guys to worry about their penis size.

While you might think that the size of your penis is the first thing a woman notices when you get intimate, findings from studies and surveys do not agree. 

In a 2002 study, only 21% of the women who participated said that they attribute importance to the penis size. The rest of the women answered that penis size has little to no importance at all. (7)

In another survey of women’s preferences, 90% of the females said that penis girth is a lot more important for sexual satisfaction than penis length. (8)

The bottom line: Before looking down there and asking yourself “Is it big enough?”, remember that there are tons of other things that are a lot more important to women. Your sense of humor, genuine smile, and great manners are often the very first thing that makes someone interested in you. 

Tips for a positive self-image

If you still feel worried about the size of your penis, try to move your focus in a different direction. Human anatomy is not something we can change, but we have the right and power to develop high self-esteem and be happy with ourselves. 

Remember that a confident man is always attractive. Here is how to build your positive self-image.

  • Maintain a good posture. 

A straight posture is great not only for your back but for your confidence too. A study from 2009 found that straight posture gives us confidence in our own thoughts and boosts self-esteem. (9)

  • Add physical activity to your routine and maintain a healthy weight. 

There are countless benefits of working out and being fit. You will consume more nutritious food, have an athletic appearance, improve your health, and feel much better about yourself. Engage in a sport you love or get a gym membership and start moving! 

  • Don’t compare yourself to other people. 

Everybody has a different background and being unique is your power. Find a way to love your differences and flaws, instead of thinking how great somebody else is. 

  • Don’t overthink penis size. 

If you are unhappy with the size of your penis, the first thing you should do is to accept yourself the way you are. Be thankful for your good health and look at it on the brighter side. Penetration is not a universal way for everyone to get an orgasm. 

There are so many other things you can do to satisfy your sexual partner that are a lot more important than the length of your penis. Focus on that foreplay, use your tongue and fingers, and pay attention to what your partner enjoys most. Chances are, you will help them get a lot more O’s this way.

FAQs

  • Can men get yeast infections? 

Yes, men can get yeast infections too, even though it is uncommon. Penile yeast infection can result from poor hygiene or having unprotected sex with a partner who has an infection. If you notice any pain during urination or sex, redness, itching, and swelling do not hesitate to seek medical advice. 

  • Does flaccid length affect erect length? 

No, there is no correlation between flaccid and erect penis size. The flaccid length of a penis is not a reliable predictor of erect size.

Penis size is not a cause for ED. However, worries about your penis size can make it more difficult for you to get an erection and keep it. If you experience anxiety about your penis appearance, maybe it’s a good idea to seek help from a counseling psychologist. 

  • Are there any pills that can make a penis bigger? 

No, there are not. Products advertised as penis enlargement pills or lotions are not effective and might even have unpleasant side effects.