Bracelet Sizing: How to Measure a Wrist and Pick a Length
Almost every bracelet that comes back to us for resizing was ordered off a wrist measurement with nothing added to it. The wearer measured carefully, got 165mm, ordered a 165mm bracelet, and found it sat tight against the skin with the clasp pulling every time they bent their hand. A bracelet length is your wrist circumference plus an allowance, and the size of that allowance depends on what kind of bracelet you are buying.
How to measure a wrist properly
You need a flexible tailor's tape or a strip of paper about a centimetre wide. A rigid ruler will not follow the curve of the arm, and string stretches, which is why string measurements read small.
Wrap the tape around your wrist just below the wrist bone, on the hand side of it. That is where a bracelet settles. Pull it snug against the skin, firm enough that it does not sag, loose enough that it leaves no mark. Mark where the end meets, lay the strip flat on a ruler, and read it in millimetres.
Do it three times and take the middle reading. The first attempt is always the tightest, because people pull harder than they mean to.
Two details that change the number
Measure at the end of the day. Tissue holds more fluid after hours of being upright, and a wrist measured in the morning can read 3mm to 5mm under its evening size. This is the same reason ring fittings drift, which we covered in our guide to ring sizing, swollen fingers and time of day.
Measure the wrist the bracelet will live on. Most people have one wrist a few millimetres larger than the other, usually the dominant side, and a bracelet on the hand you write and work with wants more room because it moves more.
The allowance nobody mentions
Your wrist measurement is the bare circumference of your arm. A bracelet made to that exact length has nowhere to go. It presses on the skin, the clasp sits under load, and the piece wears at the joints faster than it should.
So we add an allowance on top, and how much depends on how the bracelet is meant to sit. A tennis bracelet hugs the wrist so the stone line stays face-up, so it takes the smallest allowance. A chain is meant to drape and shift, so it takes more. A heavy watch-style link bracelet sits differently again, because the links are thick enough to take up inside room.
| Wrist measurement | Tennis or snug fit (+10 to 13mm) | Chain bracelet (+13 to 19mm) | Loose or heavy link (+19 to 25mm) |
|---|---|---|---|
| 140mm (5.5 in) | 152mm (6.0 in) | 158mm (6.25 in) | 165mm (6.5 in) |
| 152mm (6.0 in) | 165mm (6.5 in) | 171mm (6.75 in) | 178mm (7.0 in) |
| 165mm (6.5 in) | 178mm (7.0 in) | 184mm (7.25 in) | 190mm (7.5 in) |
| 178mm (7.0 in) | 190mm (7.5 in) | 197mm (7.75 in) | 203mm (8.0 in) |
| 190mm (7.5 in) | 203mm (8.0 in) | 210mm (8.25 in) | 216mm (8.5 in) |
| 203mm (8.0 in) | 216mm (8.5 in) | 222mm (8.75 in) | 229mm (9.0 in) |
Read the row for your wrist, then pick the column for your style. If you fall between two rows and like a bracelet that moves, take the larger one.
Bangles are measured off the hand, not the wrist
A solid bangle does not open and does not adjust. It has to pass over your hand to get on, so the number that decides the size is the widest part of your closed hand.
Tuck your thumb into your palm, as if you were sliding a bangle on. Wrap the tape around the widest point, which on most hands is across the knuckles with the thumb joint pulled in. That figure is the minimum inside circumference. Add 5mm to 10mm so it clears the knuckles without scraping.
On most adult women that lands between 190mm and 215mm inside circumference. Sellers often list bangles by inside diameter, so divide by 3.14: a 200mm inside circumference is a 64mm inside diameter.
Sized to the wrist, a bangle will not go over the hand at all. Sized too generously, it slides past the hand and ends up on a sidewalk. If the gap between your hand and wrist measurements is wide, which happens on small wrists with broad knuckles, buy a hinged bangle with a clasp. It opens, so it sizes to the wrist and the hand stops mattering.
Cuffs have two numbers
A cuff is an open band with a gap at the back. Measuring one means adding the inner span, which is the metal measured along the inside curve, to the gap, which is the straight opening between the tips.
Compare that total against your wrist. For a cuff that stays put, aim for the total to sit 10mm to 20mm over your wrist measurement, with the gap between 25mm and 32mm on an adult. Below 25mm the cuff is a struggle to get on. Above 32mm it works its way off during the day. Soft 14K gold and sterling can be eased open or closed a few millimetres, but repeated bending work-hardens the ends and cracks them, so treat that as a bench job.
Why two bracelets of the same length fit differently
Length is the outside measurement. What you feel on your wrist is the inside. A thick chain takes up more of that inside room, so a heavy 7 inch curb link wears tighter than a 7 inch fine cable at the same stated length.
Weight changes the feel too. A heavy bracelet hangs low and rotates, so it needs room to swing. A fine chain sits where you put it. As a working rule, on anything above 5mm wide we go up a step from the table. Our notes on measuring chain thickness and gauge apply the same way to bracelets, and the necklace length guide covers the same drape logic at the neck.
Children's lengths
Children's wrists change fast, so we size them with an extender or a length that can be shortened later. A baby or toddler is usually 100mm to 125mm finished, a child of five to eight sits around 140mm, and a child of nine to twelve is often at 152mm, the same as a small adult size. Measure rather than guess from age. The spread between two children of the same age is wider than most parents expect.
Fixing the fit after you have bought it
A chain bracelet is the easy case. Shortening means opening a link, removing the extra, and reattaching the clasp so the join is invisible. Lengthening means soldering in matching chain of the same pattern, gauge and karat, so it works on common links and gets difficult on unusual ones.
An extender chain is the cheap, reversible option: a short length of chain that clips between the clasp and the bracelet, adding 25mm to 50mm, letting one bracelet move between a snug fit and a loose one.
A tennis bracelet is the hard case. Each segment holds stones, so there is no plain chain to cut. Shortening one means removing a whole set segment and rejoining the ends so the hinges stay even and the line lies flat. That is torch work beside set stones, with every setting checked afterwards, so it carries a bench price. Before you buy, read our tennis bracelet buying guide.
Bracelets currently in our cases
What is in the shop now, across chain, bangle and tennis styles. Bring your wrist measurement and we will fit these against it.
Key Takeaways
- Measure with a flexible tape just below the wrist bone, snug without compressing, three times, and take the middle reading.
- Your wrist measurement is never the bracelet length. Add 10mm to 13mm for a tennis fit, 13mm to 19mm for a chain, and 19mm to 25mm for a loose or heavy link.
- A solid bangle is sized off the widest part of the closed hand plus 5mm to 10mm, because it has to pass over the knuckles.
- A cuff is measured as the inner span plus the gap, with the gap itself between 25mm and 32mm so it neither fights you nor falls off.
- Measure in the evening, measure the wrist you will wear it on, and go up a step on anything above 5mm wide.
Frequently Asked Questions
How do I measure my wrist for a bracelet at home?
Take a flexible tailor's tape, or cut a strip of paper about a centimetre wide. Wrap it around your wrist just below the wrist bone, on the side closer to your hand, which is where a bracelet sits. Pull it snug without squeezing. If the tape leaves a mark or the skin bulges over the edge, you pulled too hard. Mark where the end meets, lay the strip flat on a ruler, and read it in millimetres. Do it three times and take the middle number, because the first attempt is the tightest. That is your wrist circumference, and it is the starting point for every length in this guide. You add an allowance on top of it depending on the style.
Is my wrist measurement the same as my bracelet size?
No. Your wrist measurement is the bare circumference of your arm. A bracelet at that exact length sits clamped to the skin with no room to move, and the clasp stays under tension every time you bend your wrist. You add an allowance on top. On our bench that runs from 6mm for a bangle-style fit up to 25mm for a loose chain that slides toward the hand. A tennis bracelet sits near the tight end, 10mm to 13mm over the wrist. A standard chain takes 13mm to 19mm. Some sellers list bracelets by finished length and some by intended wrist size, so ask which number is on the tag before you order. Getting that wrong is the most common bracelet return we see.
What length bracelet do most adult women wear?
The most common finished length we sell to women is 7 inches, which is 178mm, fitting a wrist of 6.0 to 6.3 inches with a chain allowance. Below that, 6.5 inches covers smaller wrists and is what we reach for on teenagers and petite adults. Above it, 7.5 inches suits a wrist of 6.5 to 6.8 inches and is the safer pick for anyone who likes a bracelet that shifts as the hand moves. Sizes are not standardised across brands, so a 7 inch bracelet from one maker can measure 5mm different from another. Work from the table in this guide instead of a size label. Buying a gift and cannot measure? 7 inches with an extender chain is the forgiving choice.
What length bracelet do most adult men wear?
The most common men's finished length we sell is 8.5 inches, which is 216mm, fitting a wrist of 7.5 to 7.9 inches with a chain allowance. Men's wrists cover a wider spread than women's, so 8 inches and 9 inches both move steadily and we stock all three. Measure rather than assume, because the range across adult men is wide enough that a guess lands wrong often. Men's bracelets also run heavier in gauge, which changes the fit at the same length: a thick curb link takes up more inside circumference than a fine cable, so a heavy 8.5 inch bracelet wears tighter than a light one. Choosing between two lengths on a heavy chain, go up. Bring the wrist in and we will fit it against real stock.
How do I size a bangle that does not open?
A rigid bangle ignores your wrist. It has to pass over your hand, so the measurement that matters is the widest part of your closed hand. Tuck your thumb into your palm as though sliding the bangle on, then wrap a tape around the widest point, usually across the knuckles with the thumb joint included. That is your minimum inside circumference, and you add 5mm to 10mm so it clears without scraping. On most adult women that lands between 190mm and 215mm inside circumference. A bangle sized to the wrist will not go on, and one sized too generously slides over the hand and gets lost. If the gap between the two numbers is awkward, a hinged bangle with a clasp solves it, because it opens and sizes to the wrist.
How are cuff bracelets measured?
A cuff is an open band with a gap at the back, so it has two numbers and you need both. The inner span is the metal measured along the inside curve from end to end. The gap is the straight opening between the tips. Add them together for the effective circumference, which is what you compare against your wrist. For a cuff that stays put, aim for the inner span plus the gap to land 10mm to 20mm over your wrist, with the gap between 25mm and 32mm on an adult. A wider gap slips off. A narrower one is hard to get on. Soft gold and sterling cuffs adjust by hand a few millimetres, gently and rarely, because repeated bending work-hardens the ends and cracks them.
Can a chain bracelet be shortened or lengthened?
Yes, and it is one of the quicker jobs on our bench. Shortening means opening a link at the chosen point, removing the extra length, and reattaching the clasp so the finish looks original. Lengthening means soldering in a matching section, which depends on us sourcing chain of the same pattern, gauge and karat. That is straightforward on cable, curb and rope, and harder on an unusual link where no match exists. The alternative is an extender chain, a short length that clips between the clasp and the bracelet to add 25mm to 50mm. It costs less than a permanent alteration and lets you move between a snug and a loose fit. Our guide to chain types explains which patterns shorten cleanly.
Why does removing links from a tennis bracelet cost more?
A tennis bracelet is a line of small segments, each holding stones in a setting, joined by hinges or links. There is no plain chain to cut. Removing length means taking out a whole stone-set segment, then rejoining the cut ends so the hinge spacing stays even and the line lies flat on the wrist. If the segments are soldered, the goldsmith works with a torch next to set stones, protecting them from heat and checking every setting afterwards. Diamonds tolerate the heat. Many other stones do not, and in some designs the stones near the cut come out and get reset. That is bench time and skill, so it costs more than shortening a plain chain. Our tennis bracelet guide covers what to check before you buy one.
When is the best time of day to measure my wrist?
Measure at the end of the day, when your wrist is at its largest. Tissue holds more fluid after hours of being upright, and heat expands things too, so a wrist measured at 8am can read 3mm to 5mm under the same wrist at 8pm. A bracelet sized to the morning number feels tight by dinner. The same effect shows up in ring fitting, covered in our guide to ring sizing across temperature and time of day. Avoid measuring after exercise, after a salty meal, or on a hot day, because those readings run high. An ordinary evening at home is the honest middle. Measure the wrist the bracelet will live on, since the dominant wrist is often the larger of the two.
Sources
- GIA Gem Encyclopedia: gemstone durability and heat sensitivity reference
- Canadian Jewellers Association: Canadian trade body for retail jewellers and goldsmiths
Data sourced September 2026. The allowance ranges and length table are Vanhess bench practice from fittings and resizes in our own Coquitlam workshop, offered as our working guidance rather than an industry standard.
Visit Vanhess
We are a family-run studio at 2929 Barnet Highway in Coquitlam, and we designed and made most of what sits in our cases. Bring your wrist in and we will measure it and try real bracelets against it, which beats any table on a screen, including ours. We shorten chains, fit extenders and take length out of tennis bracelets on our own bench. Call us at +1 (604) 653-6449.
