Men's chains run longer than women's, and the difference is not decorative: a chain that sits at the base of the throat on a woman will sit tight on most men. If you take one number away from this page, take 20 inches, which is the length that works for the largest number of men in the largest number of situations.
The short version
Under a shirt: 20". Over a t-shirt with a pendant: 22" or 24". Chain only, no pendant, worn visibly: 20". Buying for someone else and you cannot ask: 22".
Where each length sits
| Length | Where it lands | Best for |
| 18" | Base of the throat, close to the skin | Slim necks, or a deliberately tight look. Too short for most men over average build |
| 20" | On the collarbone | The default. Sits inside an open collar without disappearing |
| 22" | Just below the collarbone | Pendants worn over a t-shirt. The safest gift length |
| 24" | At the sternum | Larger pendants, larger builds, or a deliberately low look |
| 26-30" | Mid-chest and lower | Statement chains worn outside clothing |
Neck size changes everything, and nobody mentions it
Published length charts assume an average neck of around 15 to 16 inches. Every inch of neck circumference above that takes roughly half an inch off where the chain appears to sit.
A practical way to think about it: if your collar size is 17 or above, add two inches to whatever a chart recommends. If it is 14 or 15, take one off. This single adjustment fixes most of the complaints about chains sitting too high.
Measure it properly in thirty seconds. Put a shoelace round your neck, adjust until it hangs exactly where you want it, pinch the point where the ends meet, take it off and measure it flat. That number is your length. It beats every chart on this page, including ours.
Chain width, which matters as much as length
Length decides where it sits. Width decides whether it reads as jewellery or as an afterthought.
- 1 to 2 mm: almost invisible at conversational distance. Only right as a carrier for a pendant, not as a piece in itself
- 3 to 4 mm: visible without announcing itself. The range most men actually want and rarely buy, because online photos make chains look thicker than they are
- 5 to 7 mm: clearly a statement. Needs the build to carry it, and needs to be worn outside clothing to make sense
- 8 mm and up: costume territory unless it is solid, and solid at that width gets expensive fast
Pair width with length. A 3 mm chain at 24 inches disappears down the shirt; a 6 mm chain at 18 inches looks like it is choking you. Wider generally wants longer.
Chain type
Cuban and curb links are the default for men: flat, heavy-looking for their weight, and they lie flat instead of rolling. A 6 mm sterling silver Cuban link at around $37 is the version of this that will still be worn in ten years.
Box and square chains are the quieter option and work better under a shirt because they have no edges to catch on fabric. A stainless steel box chain at around $13 is the sensible first chain: stainless does not tarnish, does not react with sweat, and costs little enough to find out whether you actually wear it.
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Buying as a gift
Go 22 inches. It is long enough not to feel tight on a larger neck and short enough not to look like a rap chain on a slim one, and it is the length that works with a pendant, which is what most gifted chains end up carrying.
If you can get to their existing jewellery, measure it instead and buy that length. And buy stainless or solid silver rather than plated: a plated chain on skin that sweats wears through at the back of the neck within a year, which is a bad outcome for a present.
If the length turns out wrong
An inch or two either way does not mean returning it. A set of sterling silver extenders at around $8 adds one to three inches, and going shorter is a ten-minute job at the kitchen table: how to shorten a necklace chain without cutting it.
Women's lengths work on a different scale entirely — that is covered separately here.
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