Flexible bracelets and rigid bangles need different measurements. A flexible bracelet follows the wrist; a closed bangle must also pass over the hand. Internal dimensions, opening mechanism and preferred movement decide which size will feel right.
Measure where you intend to wear it
Wrap a flexible measuring tape around the intended position on your wrist without compressing the skin. Keep it comfortably level and record the circumference. If using a paper strip, mark the overlap, then measure the strip flat with a ruler.
Repeat the measurement to catch a loose tape or an angled reading. State the units clearly: 16 centimeters is 160 millimeters, not a bracelet size code.
For a flexible bracelet, wearing allowance is added to the wrist measurement. The appropriate allowance depends on the piece, its thickness and your preferred movement. There is no single addition that suits every design.
Understand the seller's measurement
| Construction | Main fit question | Dimensions to request |
|---|---|---|
| Flexible bracelet | How much movement does it allow when fastened? | Finished wearing length and measurement method |
| Slip-on bangle | Can the hand pass through its fixed opening? | Internal shape and opening dimensions |
| Hinged bangle | Does the closed interior fit the wrist comfortably? | Internal dimensions and hinge or clasp position |
| Open cuff | Can it be put on as designed without forcing it? | Interior dimensions, opening and fitting instructions |
An outside measurement includes the metal and does not describe the space available for your wrist. For an oval bangle, request both internal axes; one diameter cannot fully describe its shape.
Use arithmetic as a comparison aid
Suppose a wrist measures 16 centimeters and the proposed flexible bracelet has a confirmed wearing length of 17.5 centimeters. The numerical difference is 1.5 centimeters. This is an illustrative comparison, not a recommendation that every person with that wrist measurement should choose that bracelet.
Check the movement you actually need
Try fastening the piece and moving the wrist normally. Check for pressure, excessive travel and a clasp that presses into an uncomfortable position. A very loose bracelet may slide into objects; a tight one may restrict comfortable movement.
For a slip-on bangle, use the seller's hand-measurement method rather than forcing the piece over your knuckles. Do not repeatedly bend a rigid bangle or cuff to improvise an adjustment.
Give a remote seller a complete fit request
Send your wrist measurement, preferred fit, construction and the dimensions of a similar piece that already fits well. Explain how that comparison piece was measured.
Measure the opening as well as the wrist
For an illustrative circular opening with a 60 mm internal diameter, the circumference is π × 60, or about 188.5 mm. An oval opening cannot be assigned that circumference from its longer dimension alone. Record both internal axes.
The diagram shows a 60 mm circle and a 65 × 50 mm oval. They are shape examples, not equivalent sizes or fitting recommendations. A closed rigid bangle still needs to clear the hand; a hinged one has a different entry path.
| Measurement record | Fill in |
|---|---|
| Wrist circumference, measured without constriction | mm or cm |
| Hand passage measurement for a closed bangle | State method and units |
| Bangle internal shape | Circular or oval |
| Internal diameter or both oval axes | mm |
| Hinged opening, if present | Confirm mechanism |
| Desired wearing movement | Close, moderate or freer, checked by trial |
| Existing well-fitting reference | Its internal measurements |
Do not add a fixed allowance indiscriminately. A wide cuff, rigid bangle and articulated tennis bracelet can need different fit considerations.
Record the wrist, the passage over the hand and the desired movement as separate details. The correct measurement depends on the bracelet's construction.
Reference: Tiffany bracelet size guide.
