Average Penis Size
The average erect penis is 13.1 cm / 5.16 inches long and 11.7 cm / 4.6 inches in girth. Here is the full breakdown, and where you land.
Average dick size percentile chart
Erect length, mapped to the real distribution. Find your length and see how many men you are bigger than.
| Length | cm | Bigger than |
|---|---|---|
| 4.0" | 10.2 | 4% of men |
| 4.5" | 11.4 | 15% of men |
| 5.0" | 12.7 | 40% of men |
| 5.5" | 14.0 | 70% of men |
| 6.0" | 15.2 | 90% of men |
| 6.5" | 16.5 | 98% of men |
| 7.0" | 17.8 | 99% of men |
| 7.5" | 19.1 | 99% of men |
| 8.0" | 20.3 | 99% of men |
Around 5.0 to 5.5 inches is the average band, where most men sit.
Does penis size change with age?
No. After puberty, size is essentially fixed. It does not meaningfully grow or shrink with age in healthy men, so the "average" applies across adulthood.
Length vs girth
Girth often matters more than length for partner satisfaction, and the averages above are the honest reference. Anything in the middle of the chart is completely normal.
Average penis size FAQ
What is the average penis size?
The average erect penis is 13.1 cm (5.16 inches) long and 11.7 cm (4.6 inches) in girth. Flaccid average is about 9.2 cm (3.6 inches). Source: Veale et al. 2015, a review of 15,521 men.
What is the average dick size in inches?
About 5.16 inches (13.1 cm) erect length and 4.6 inches (11.7 cm) erect girth. Most men fall between 4.5 and 6 inches.
Is 6 inches big?
Yes. 6 inches (15.2 cm) puts you around the 84th percentile, bigger than roughly 8 out of 10 men. Use the calculator for your exact number.
Does penis size change with age?
Not really after puberty. Size is essentially fixed in adulthood; it does not grow or shrink meaningfully with age in healthy men.
Is a bigger penis better?
Studies on partner satisfaction are mixed and girth often matters more than length. Average is, by definition, what most men have and most partners are used to.