How to Measure Penis Size

Men of all ages and locations have grabbed a ruler or tape measure to figure out how big their penises are. This is not only a matter of vanity, but also sexual health.

To determine length, use a soft tape measure and press it against the head of your penis. Be sure to push past any fat or hair and stop at the pubic bone.


If you’re a man, chances are that at some point in your life you have grabbed a ruler or tape measure and placed it pressed against your erect penis. Whether it’s out of curiosity or to satisfy the desire to see how your dong “measures up” to those of others, it’s a fairly common thing for men to do.

But the way most men do it, often yields inaccurate results – which is why it’s important to understand how to measure your penis correctly. In addition to measuring your penis’ length, you should also take a measurement of its girth, which is the circumference around the shaft – This thought comes from the website’s author

A good measurement of your penis’ length is taken while it is fully erected, and this can be difficult if you don’t have the right tools. To do this, you’ll need a soft ruler or tape measure with clear markings in inches or centimeters. Position the tip of the ruler or tape measure at the base of the groin and gently extend it along the top of the head until it reaches the pubic bone, and then record this measurement.

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According to scientific research, the average length of a flaccid penis is around 2.8 to 3.9 inches (7 to 10 centimeters), and the average length of an erect penis is 4.7 to 6.3 inches (12 to 16 centimeters). Some people’s penises are curved in various ways (upward, downward or left or right) when they’re erected, and this is usually considered normal and not a cause for concern, except in some cases when it may indicate Peyronie’s disease.


While measuring a penis’ length is fairly straightforward, determining its girth is much more difficult. The girth is the measurement of the circumference of the penis’ head (glans) and is typically larger when the penis is erect than flaccid. To measure a penis’ girth, wrap a tape measure or ruler around the thickest portion of the head, making sure to push the measuring device past any fat, pubic hair, or other obstructions. Record the measurement as it is wrapped and note it in inches or centimetres.

To ensure the most accurate measurement, it is best to perform this measurement while the penis is erect and at room temperature. It is also helpful to have the man stand with his back straight and at least half an inch off the ground. In addition, the penis should be free of any foreign objects or excessive taint.

Measuring a penis’ girth is more complex than measuring its length, as there is no clear stopping point to the measurement. For this reason, most studies use a ruler or tape measure to get the measurement from the top of the penis rather than the bottom, as it is more likely to give a reliable reading. This method is also more sanitary and may be preferred by men who are worried about contaminating the measurement.

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If George Costanza’s panicked reaction to a shrinking penis in a hot tub was funny on Seinfeld, for some men the issue is no laughing matter. In fact, it may have a profound impact on their sexual health. For instance, it can influence everything from sex drive to the ability to produce an ejaculate, and can even help doctors diagnose certain conditions such as Peyronie’s disease or erection problems.

The average length of a man’s penis is about 4.59 inches when it is erect and 3.66 inches when it is flaccid. To get an accurate measurement, wrap a flexible tape measure around the thickest part of the shaft, usually close to the head. You can also use a string, which doesn’t stretch as much, but you will have to be more careful when measuring, as there is more room for error.

It is best to do the measurement while the penis is erect, as this will give you a more accurate reading of the width. It’s also a good idea to take multiple measurements and average them. This is because your penis size can vary throughout the day, depending on factors such as stress levels, activity, and arousal. It’s important to know your length and girth so you can be sure your condoms fit properly to protect against unwanted pregnancies or sexually transmitted infections.


The thickness of a penis can be measured with a ruler or measuring tape. To get a precise measurement, it is important to be in a private space where you can perform the measurement without distractions or interruptions. You will also need to have a full erection. A fully erect penis will be much larger than a flaccid one. It is therefore essential to take two measurements, one when the penis is erect and one while it is flaccid.

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Place a ruler or measuring tape at the base of your penis (where it meets the pubic bone). Press it firmly into the area for an accurate reading. Note that you should measure from the top of the penis rather than the underside because there is a clear stopping point with the pubic bone, whereas there can be uncertainty about where to stop with the underside measurement if the testicles are involved.

Measuring the thickness of your penis may seem a bit awkward, but it is crucial for sexual health, and can help prevent STIs. Measuring the length and girth of your penis will also help you find a condom that is the right size. If your condom is too loose it can easily fall off in the middle of sex, and if it is too tight it can cause discomfort or even break.

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