There is no absolute rule for who should use the different condom sizes, but the following guidelines, which are in inches, may help: a girth of less than 4.7″ needs a snug fit. a girth of 4.7–5.1″ needs a regular fit. a girth of 5.1–6″ needs a large fit.
What size needs XL condoms?
Men's Fitness revealed that you need to have a length of 8.07 inches, a width of 2.13 inches and a head width of 2.36 inches to get the proper fit into a Trojan Magnum condom. Durex's XL condoms, however, are slightly bigger and if you're buying those on the regular - well done, I guess.May 1, 2016
What size do Durex fit?
Condom Description Size
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Durex Basic Just a classic Durex condom with a straight shape, made from a natural latex. Comes in two different wrappers: the blue one and the orange one (Durex Basic Orange). Width: 2.04"/52 mm Length: 7.5″/190mm Thickness: 0.070mm