A Urologist Demonstrated the Right Way to Measure Your Penis Size

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Mar 23, 2023

A Urologist Demonstrated the Right Way to Measure Your Penis Size

Dr. Stefan Buntrock breaks down the most accurate method in a new video. In a

Dr. Stefan Buntrock breaks down the most accurate method in a new video.

In a recent video on the UroChannel on YouTube, Dr. Stefan Buntrock, a urologist and sexologist, clears up some questions and misconceptions surrounding penis size and how to measure a penis accurately, starting with: do you do it while the penis is flaccid, or erect?

"Preferably both, also with the phenomenon of growers and showers in mind," says Buntrock. "However, the erect size can be estimated by stretching the flaccid penis. This is done standing, with the penis parallel to the floor, at an angle of 90 degrees. If done correctly, the stretched length comes pretty close to the erect length, but it is necessary to apply a certain force."

Another common question is where, exactly, you should start measuring from, and on which side. Buntrock explains that you measure starting from the base to the tip on the top side, or dorsal side, of the penis. "Body composition is a confounder," he adds. "The more body fat, the smaller the penis appears... Therefore, I prefer to measure from the pubic bone." He also recommends using a tape measure rather than a rigid ruler, due to the slight curvature of the penis.

He goes on to say that there are several factors which can make it difficult to measure size, such as temperature, with colder environments often decreasing the size. Even the act of having one's penis measured can cause anxiety, leading to the contraction of blood vessels, making the penis smaller. Additionally, if the subject has ejaculated recently, that can have an effect.

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