CORRECTLY MEASURING YOUR ERECTION:  LENGTH & CIRCUMFERENCE

As with anything you put near your genitals, be careful to avoid injury. 

PENIS LENGTH 
Penis length is defined as the linear distance along the dorsal side of the erect penis extending from the mons veneris to the tip of the glans.  In non-medical terms, the penis length is measured in a straight line on the top side of the erect penis, from the skin of your belly to the tip of your penis.   Penis circumference is defined as the linear distance around the widest, thickest, part of the erect penis (see below).

1. Stimulate yourself into the erectile state. 
2. Place your ruler on the skin of your belly, at the base of your erect penis. While technically you should not push in against the skin, some of the studies used in this guide allowed the measurer to push in to the bone beneath the skin (pubic bone), therefore this is permissible.
3. Press the ruler against your penis and read the nearest quarter-inch measurement at the tip of your penis. (In the example shown, the measurement would be 4 and 3/4 (4.75) inches.) 
4. Record this number in the space provided on the calculation sheet or on your paper.
5. Repeat this measurement two more times, preferably with different erections and preferably on different days as
penis size will differ depending on the level of arousal, time of day, room temperature, and recency of sexual activity.  (The studies from which these data were obtained did not standardize these variables.)

PENIS CIRCUMFERENCE 
Penis length is not the only factor in determining penis size.  The width, girth, or fatness, of a penis is also an important aspect when considering how you compare.  Most people have a penis that is either longer and thinner, or shorter and fatter.  To compare how the girth of your penis compares to the population, use the instructions below to determine your penile circumference (distance around the widest part of your penis).  

1. Stimulate yourself into the erectile state. 
2. Place the fabric ruler or string end at the widest part of your penis and wrap it carefully around one time.  Mark the spot where the string first touches itself.
3. If using string, take the marked string and lay it against the ruler.  Read to the nearest quarter-inch measurement. 
4. Record this number in the space provided on the calculation sheet or on your paper
5. Repeat this measurement two more times, preferably with different erections and preferably on different days as
penis size will differ depending on the level of arousal, time of day, room temperature, and recency of sexual activity.  (The studies from which these data were obtained did not standardize these variables.)

 

 

 

 

 

 

 

 

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