How to Measure Erect Penis

Physiologically, an erection is a complex process requiring several body systems to collaborate at once. This is why it’s important to measure the erect penis when it’s fully erect, and to take multiple measurements for accuracy.

Start by positioning a flexible tape measure or string at the base of your erect penis, just above your pubic bone. Gently extend it to the tip (glans) and note the measurement.


The first thing you need to do is gather the proper equipment. A flexible measuring tape is ideal, but a ruler or a piece of string may also work. Just make sure that it’s non-stretchy, as stretching could lead to inaccurate measurements. Position the end of the measuring device on the head of your penis, aiming to touch the pubic bone, and measure down from there. Push past any excess fat or pubic hair if necessary, and continue to measure until you reach your testicles. Record this measurement as the length of your penis.

For most men, this will be around 12 to 16 centimetres (4.7 to 6.3 inches). The average length when flaccid is about 7 to 10 cm. The average girth, or circumference, is about 3.66 inches.

It’s important to note that you can assess your penis size either erect or flaccid, but it’s easier to get an accurate result with an erection. Moreover, you’ll have more satisfaction with the results, as an erection typically leads to higher scores on sexual stimulation tests. Besides, knowing your penis size can help you choose the right condom, thus increasing sexual pleasure and decreasing the chances of it tearing or leaking. Lastly, it can help you diagnose issues like Peyronie’s disease, erectile dysfunction, or premature ejaculation. This is why it’s vital to know your genitals inside and out.

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Penis size is a big deal for many men, and they often obsess over the length of their shaft. But it’s important to measure the girth, too, since that can have a bigger impact on sexual pleasure. It also helps when it comes to choosing a condom.

To measure girth, first make sure the penis is fully erect and then use a flexible tape measure or string to wrap around the thickest part of the shaft. Make sure the tape or string doesn’t stretch, which can lead to inaccurate measurements. Then, mark where the ends of your measuring device overlap (if using a string) and then compare it against a ruler or tape measure to get your girth measurement.

This is more important than you might think. In fact, if you don’t measure the girth of your penis correctly, it can lead to problems during sex. For example, if you wear a condom that’s too loose, it can fall off during intercourse and cause an unprotected pregnancy or STI. And if you wear one that’s too tight, it may be uncomfortable or even rupture during sex. Fortunately, knowing how to measure your girth properly isn’t difficult. And it can help protect you from STIs and other health issues like Peyronie’s disease and premature ejaculation. The secret is to measure from the tip to the pubic bone, rather than starting at the bottom of the penis and measuring up.

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Most men have grabbed a ruler or tape measure at some point and pressed it against their penis, either out of curiosity or in the hopes of finding out their penis’ size. However, while this practice may seem simple enough, it’s important to understand that measuring your erect penis can actually be a little complicated.

The best way to ensure your results are accurate is to use a standard ruler. You’ll want to be sure not to press against any pubic hair or excess fat, as this could skew your results. It’s also a good idea to take multiple measurements and average them for the most precise results.

Another crucial step is to make sure your penis is fully erect before taking any measurements. This will help ensure that you are getting an accurate measurement of the actual thickness of your shaft. If you can’t find a flexible tape measure, a string around the middle of your shaft will work just fine.

Once you’ve taken your measurements, you can compare them to the average erect penis length and girth. Keep in mind that a few factors can affect these numbers, including your age, the state of your erections, and whether or not you’ve ever used a condom before. If you have any concerns about your penis size, you can always contact a sexual health professional. You can find one in your area by searching the American Association of Sexuality Educators, Counselors, and Therapists directory.


It may seem silly to have to measure your penis, but the fact is that many men do it out of curiosity or because they worry that their penis is not big enough to satisfy a sexual partner. The truth is that the average length of a flaccid penis is 2.8 to 3.9 inches (7 to 10 centimetres), and the average length of an erect one is 4.7 to 6.3 inches (12 to 16 centimetres).

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Most men think their penis are much bigger than they actually are, but this is mostly a result of inaccurate self-reporting from older studies that were based on circumference rather than actual measurements. To get the most accurate measurements, you should always measure your penis when it is fully erect.

You should also choose a measuring device that is flexible and non-stretchy, as stretching can lead to inaccurate measurements. The best option is a soft tape measure or piece of string, although if you use a string, make sure it is not loose and mark where the ends meet.

Make sure to measure the circumference of your penis at its thickest part, which is usually just above the pubic bone. Using the tape measure, wrap it around your erection, making sure to not go over the head of the penis or the balls area. After you’re done, mark where the ends of the tape or string meet with a pencil.

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