Suggested Condom Width In Relation To Penis Circumference

condom width to circumference
Every now and then I get a new comment on one of my posts and in most cases a visitor is asking for a condom recommendation, giving his penis girth and length.
It’s becoming tedious to reply everyone individually, so I’ve put a table which shows suggested condom width in relation to penis circumference.

How to use this chart

  • 1. First, of course, you have to know your size. Read here about how to measure your penis girth or circumference
  • 2. Once you have your circumference check where it stands in the table below.
  • 3. To the right you’ll see suggested condom width for your size, both in inches and millimeters. Clicking on these numbers will lead you to the appropriate section in the condom size chart.
  • Use the figures below as a guidance, but be sure to do your own research as well. First hand experience will always be the best judge. Also, I’m not responsible for any misuse :)

    Penis Circumference (in)Suggested Condom Width (in)Penis Circumference (mm)Suggested Condom Width (mm)
    4" - 4.2"1.77" – 1.85"101 – 107mm45 - 47mm
    4.3" – 4.4"1.85" – 1.93"109 – 112mm47 - 49mm
    4.5" – 4.6"1.96" – 2.05"114 – 117mm50 - 52mm
    4.7" - 4.8"2.05" – 2.09"119 – 122mm52 – 53mm
    4.9" – 5"2.09" – 2.13"124 – 127mm53 – 54mm
    5.1" – 5.2"2.13" – 2.20"129 – 132mm54 - 56mm
    5.3" – 5.4"2.20" – 2.28"134 – 137mm56 – 58mm
    5.5" – 5.6"2.28" – 2.37"139 – 143mm58 - 60mm
    5.7"-5.8"2.37" – 2.53"144 – 148mm60 - 64mm
    5.9"-6"2.53"150 – 153mm64mm
    6.1"-6.4"2.53" – 2.72"155 - 163mm64 - 69mm
    >=6.5" 2.72">=165mm 69 - 72mm

    Note: in some cases you won’t find a condom with the suggested width. Then go with the closest you can find.

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    How did I get these numbers

    Some of you might be interested to know how I got these numbers. Well they came through a combination of personal experiments, personal preference, feedback from readers and researching few studies that one can find on the topic of condom size.

    There aren’t many studies that dealt with this topic. An old study published in the International Journal of STD & AIDS tried to find how penis size influence condom slippage and breakage. In their results they concluded that “each additional centimeter of penile circumference increases the risk of condom breakage by 50 to 100%”.

    That would mean that a man with a penis circumference of 14 cm is about twice as likely to experience condom breakage as a man with a girth of 13 cm.

    Researchers like John Gerofi dealt with this topic in more details. He examined the available studies and tried to measure the pressure of condom on penis and how much it changes with different sizes.

    In his publication called Condom size he writes how condom circumference should be smaller than penis circumference so there is enough radial force which ensures the condom stays in place.

    If the stretch between the condom and penis is too weak there is a risk of slippage, and if the stretch is too high there is a greater risk of condom breakage.

    The study doesn’t specify what’s the ideal ratio between condom circumference and penis circumference. My own experience, feedback from visitors, discussions on Reddit and various other forums and websites suggest that the condom should stretch at least 5% to stay in place securely and not more that 20%.

    In other words condom should stretch between 5% to 20% in order to safely and comfortably serve its purpose.

    If we take an average penis girth of 4.7 inches and compare it to average condom circumference (4.1 inches or 104 mm*) we see that they’re within the suggested ratio. In this case the condom would be stretched around 15%.

    Note that not all latex condoms stretch the same. Manufacturers add certain additives to latex that affect its elasticity. Then it’s also a matter of how much material is used – the bigger the condom, the more material would be used and it would withstand a bigger stretch.

    Finally, there’s also a matter of personal preference or how tight of a fit one prefers. For example I prefer a condom with a very snug fit and usually go with a 17.5 to 20% condom stretch.

    In the table above I’ve used a condom stretch from 5% for the smallest sizes and around 20% for the largest sizes. Most condom in-between would have a stretch of around 15%.

    In the table below I’m showing which condom size would correspond to 5%, 10%, 15%, 17.5% and 20% latex stretch.

    Penis Circumference (in)Penis Circumference (mm)Condom 5% stretch (mm)Condom 10% stretch (mm)Condom 15% stretch (mm)Condom 17.5% stretch (mm)Condom 18.5% stretch (mm)Condom 20% stretch (mm)

    Would love to hear your comments!

    *Update: some guys are confused about how condom width is measured. Please read this post for more details. In short condom width equals half of condom circumference. So in the example above where condom circumference is 4.1 inches or 104mm, its width would be 52mm.

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