How to measure the length of penis? The secret of scientific methods and data that is hotly discussed on the Internet
In the past 10 days, the topic of male genital measurement has sparked widespread discussion on social media and health forums. This article will combine scientific methods and hot data from the entire network to provide you with a detailed analysis of the correct measurement methods and related statistical data.
1. Why does measuring penis length become a hot topic?

According to the analysis of topic popularity across the Internet, recent discussions on this topic have mainly focused on the following directions:
| Discussion direction | Proportion | Main platform |
|---|---|---|
| Health science | 42% | Zhihu, Bilibili |
| sexual relations | 33% | Weibo, Douban |
| humorous banter | 25% | Douyin, Kuaishou |
2. Detailed explanation of scientific measurement methods
According to the consensus of urologists, the correct measurement method should include the following steps:
| steps | Operational points | Things to note |
|---|---|---|
| 1. Preparation stage | Keep the room temperature appropriate and completely relaxed | Avoid measurement errors caused by stress |
| 2. Measuring tools | Use a rigid ruler or professional measuring ruler | Disable soft ruler or estimate |
| 3. Measurement location | From the pubic bone to the tip of the glans | Gently press the pubic fat pad |
| 4. Record data | Record erection and flaccid status data | Take the average of 3 measurements |
3. Global male penis length statistics
Based on medical research data from various countries, there are differences in the average length of men in different regions:
| area | Average length of weakness (cm) | Average length of erection (cm) | Data source |
|---|---|---|---|
| China | 6.8-8.6 | 10.9-12.4 | Journal of Urology 2020 |
| USA | 7.6-9.3 | 12.9-14.2 | NIH 2019 Report |
| Europe | 7.7-9.7 | 13.1-14.5 | BMJ 2021 Research |
| africa | 8.2-10.1 | 14.3-15.8 | WHO 2018 data |
4. Analysis of common measurement misunderstandings
Based on netizens’ discussion of high-frequency issues, the following common misunderstandings have been sorted out:
| Misunderstanding type | Error demonstration | scientific explanation |
|---|---|---|
| visual error | Looking down angle measurement | There will be a visual error of 2-3cm |
| Temperature effect | Measurement in cold environment | May cause shortening of 1-2cm |
| starting point of measurement | Measure from the testicles | International standards should be measured from the pubic bone |
5. Advice from medical experts
Li Ming, chief physician of the Department of Urology at Peking Union Medical College Hospital, said: "Differences in penis length within the normal range have almost no impact on sexual function. Excessive attention to length may cause psychological problems. It is recommended that men pay more attention to the overall health status rather than a single indicator."
Dr. Wang Fang of the Shanghai Mental Health Center added: "About 15% of patients with body image disorder recently admitted are related to genital size anxiety. This anxiety often stems from unscientific comparisons and exaggerated information on the Internet."
6. Netizens’ hotly discussed opinions
After sorting out popular comments on social media, we found:
| opinion type | Representative comments | Number of likes |
|---|---|---|
| Popular science support | "Finally, a doctor came out and said it was fair. Size is really not the key to determining the quality of sexual life." | 128,000 |
| humorous banter | "I measured it three times and the results were different. Maybe mine is a telescopic type." | 93,000 |
| Controversial views | "The average data is definitely low, my friends are all over 15cm" | 56,000 |
To sum up, the scientific method of measuring penis length has caused widespread discussion recently, but medical experts generally recommend that physical characteristics should be treated with a scientific attitude to avoid unnecessary comparison anxiety. Correct health concepts and gender communication skills are far more important than a single physical indicator.
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