How To Measure Penis Size Correctly

How you measure penis length does affect the measurement, i.e. your penis may be longer or shorter than you think if you are not measuring your penis correctly.

Why Do You Want To Measure Your Penis Size?

Before you measure your penis size, you should ask yourself why you want to know your penile measurements.

Very likely, you want to know how your penis compares with other penises. This is only normal, most men have wondered about the average penis size at some point in their life.

If this is the case, you need to know what average penis size tells you. Average is only an average. Most penises that fall below and above the average human penis size are perfectly normal.

Vast majority of men have a penis that falls within the normal human penis size range, allowing them to have sexual intercourse and reproduce.

How To Measure A Penis

The flaccid penis size does not reflect the erect penis size. So when measuring your penis you need to have an erection and soft measuring tape or string (that you can measure afterwards).

How To Measure A Penis Length

Drawing male genital system
Courtesy of: via Wikimedia Commons

When measuring penis length you take the measurement from the penis base up to the penis glans where the urethra opening is.

Make sure you press the measuring tape into the pubic bone as abdominal fat can hide some of your penis length. The estimated average penis size varies between studies.

Recent Review Opens in new window symbol based on twelve studies that together measured 11,531 penises showed the average erect penis length to be between 5.5 – 6.3 inches, or 14 – 16 centimetres.

How To Measure A Penis Girth

To measure penis girth you have to measure the thickness or circumference of your penis. Wrap the soft measuring tape or string around the thickest part of your erect penis shaft.

According to the previously mentioned review, the average penis girth for an erect penis is 4.7 - 5.1 inches, or 12 – 13 centimetres.

How To Measure Penis Width

You can calculate the penis width or penis diameter by dividing the penis girth measurement by 3.14.

This means the average penis width is 1.5 – 1.6 inches, or 3.8 – 4.1 centimetres.