Condom size is measured across the width, not the length. Nominal width is the flat measurement of the condom laid out, and it is the only number that decides fit. Length is standardised on almost everything and rarely the problem.
The boxes here span 45 mm to 72 mm, which is the widest range in the shop.
Why width matters
A condom that is too narrow feels tight, is uncomfortable, and is more likely to tear. One that is too wide slips — which is the more common failure and the less obvious one, because it does not feel wrong until it is.
Most standard condoms are 52–54 mm. That works for a majority and is genuinely wrong for a substantial minority, in both directions.
Measuring
Measure the circumference of the erect shaft at its thickest point, then divide by two. That figure, in millimetres, is roughly your nominal width.
Mister Size test set is a test set of three different sizes with a measuring tape included — the most direct way to answer the question rather than guess at it.
The brands built around sizing
- My Size Pro — sold by explicit millimetre: 45 mm, 47 mm, 49 mm, 53 mm, 57 mm, 60 mm, 72 mm. Three-packs for testing, and 80-unit boxes once you know.
- Mister Size — the same principle, and the source of the test set above.
Between them they cover the full 45–72 mm range in single-millimetre steps, which no standard brand does.
The larger sizes from standard brands
If you only need one size up rather than an exact number, several familiar names have a large version: Control Adapta Nature XL, Skins Large, Pasante King, Pasante King Long & Wide and Lelo Hex Respect XL. Control 2Xtra Large is the largest of these.
These are simpler to buy than a millimetre size and adequate if standard condoms are merely tight rather than unusable.
Pack sizes
Three-packs up to 80-unit boxes. The advice is the same as anywhere: buy a three-pack of two adjacent sizes, find out which is right, and only then buy volume.
Frequently asked questions
Is XL the same as a specific millimetre size?
No. XL is a brand's own designation and varies between them. A millimetre-sized condom is the only way to know exactly what you are getting.
What if I am between two sizes?
Take the smaller one if it is comfortable. A slightly snug condom is safer than a slightly loose one, provided it does not hurt.
Does length matter at all?
Rarely. Almost all condoms are longer than needed and roll down as far as they need to. Width is the constraint.
What if none of them fit?
The range here goes to 72 mm, which is well beyond what most standard brands offer. See the full condom range, or the thin and sensitive shelf if thickness rather than width is the issue.
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