What Is the Average Penis Size?

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You've seen the ads: “Enlarge your penis!” “Satisfaction guaranteed!” “Men with small penises need not apply!” Not so surprisingly, many men are concerned about the size of their penises.

They are, in fact, worried about it so much that they seek out penis enlargement methods that are typically risky. This can be a sensitive subject for many men, but it's essential to know the facts. This article will help you understand what the average penis size is, why it's important to know, and what you can do about it.

How Do We Measure Penis Size?

When we talk about penis size, we're talking about length and girth. Length is the measurement of the penis from the tip to the base, and girth is the measurement around the mid-shaft. You can measure your penis, but you'll need a hard ruler, a measuring tape, and a bit of privacy. Some men prefer to measure their penis while it's erect, but you can also do it when it's flaccid.

How to Measure Your Penis:

For Circumference

1. Find the mid-shaft of your penis. This is the thickest part of your penis, right in the middle, where it's wider than the rest.

2. Wrap the measuring tape around your mid-shaft. Make sure the tape is snug but not so tight that it affects the circulation to your penis.

3. Press the end of the measuring tape into the holder. Make sure it stays in place.

4. Read the number at the end of the tape and write it down.

For Length

1. Find the base of your penis. The tip is where your penis meets your testicles.

2. Measure from the base to the tip of your penis.

3. Write down the number.

What Is the Average Penis Size?

The average erect penis length is about 5.5 inches (13.97 centimeters). The average flaccid length is about 3.5 inches (8.89 centimeters). The average erect circumference is about 4.7 inches (11.94 centimeters). The average flaccid circumference is about 3.7 inches (9.4 centimeters). Of course, there is a wide range of penis sizes within this average.

Should I Worry About My Size?

For most people, the size of the penis is not important at all. Sexual satisfaction has more to do with what goes on in your brain than what goes on in your pants. However, if you're concerned about the size of your penis, there are some things you can do. Check out more within our knowledge base to find out more.

How Common Are Certain Size Penises?

Studies show that about 90% of men have a 4-to-6-inch penis, and only 2.27% of men’s penis size is within 7.25-8 inches. This means you're in a pretty good group if you have a size in the average range.

Out of 1000 men, only 7 have a penis that is around 9 inches (22.86 centimeters).


The average penis size is about 5.5 inches long when erect. Measuring is simple and can be done at home without aid from others. If you're concerned about your size, keep in mind that penises come in a wide range of sizes, and that size matters less than what you do with your partner in bed.

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This blog post is for educational purposes only and does not constitute medical or other professional advice. Your specific circumstances should be discussed with a healthcare provider. All statements of opinion represent the writers' judgement at the time of publication and are subject to change. Phoenix and its affiliates provide no express or implied endorsements of third parties or their advice, opinions, information, products, or services.

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