Average Size of Flaccid Penis: What You Need to Know - Urology

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The average size of a flaccid penis in adult males is typically around 3 to 4 inches (7.5 to 10 cm) in length.

rvr, 10~19 year old female. Ask Date: 2001/06/10

Dr. Du Shixi reply Urology


The size of the penis when flaccid cannot predict its length when erect.
As long as the erection does not interfere with the completion of sexual intercourse, it is considered normal.
There is limited statistical data available, and it may not necessarily apply to individuals of Eastern descent.

Reply Date: 2001/06/10

More Info


The average size of a flaccid penis has been a topic of interest and research for many years. According to various studies, the average length of a flaccid penis typically ranges from about 3.5 to 4.5 inches (approximately 9 to 11.5 centimeters). However, it is important to note that there is a wide range of normal sizes, and individual variations are common.
One of the most comprehensive studies on this topic was published in the British Journal of Urology International (BJUI), which analyzed data from over 15,000 men worldwide. The findings indicated that the average flaccid length was around 3.61 inches (9.16 cm) when measured from the pubic bone to the tip of the penis. The study also found that the average circumference (girth) of a flaccid penis is approximately 3.66 inches (9.31 cm).
It is crucial to understand that penis size can vary significantly among individuals due to factors such as genetics, ethnicity, and overall body size. Additionally, environmental factors, temperature, and arousal levels can influence the size of a flaccid penis. For instance, cold temperatures can cause the penis to retract, making it appear smaller, while warmth can lead to relaxation and a slightly larger appearance.

From a medical perspective, penis size does not correlate with sexual function or fertility. Many men may feel insecure about their size, but it is essential to recognize that sexual satisfaction is influenced more by emotional connection, communication, and technique rather than size alone.
Moreover, concerns about penis size can lead to psychological issues such as body dysmorphic disorder, anxiety, and low self-esteem. If someone is experiencing significant distress regarding their penis size, it may be beneficial to speak with a healthcare professional or a mental health counselor who specializes in sexual health.

In conclusion, while the average size of a flaccid penis is around 3.5 to 4.5 inches, it is essential to remember that there is a wide range of normal sizes, and individual variations are common. Penis size does not determine a person's worth or their ability to engage in satisfying sexual relationships. If concerns about size or sexual health arise, seeking professional guidance can provide reassurance and support.

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