Bracelet Size Calculator
Turn a wrist measurement into a bracelet length, with the allowance for the clasp type and the bead size you are using.
At a glance
- What you enter
- Wrist measurement, Clasp, Bead size, Custom bead diameter, Cord or thread diameter
- What you get
- Bracelet length to make, Beads along the strand, Bracelet length in centimetres, Nearest retail size
- Formula shown
- Yes, every step, right below your results.
- Cost and privacy
- Free, no account needed, and nothing you type is stored.
See worked examples ↓ Read the FAQ ↓ Share this calculator ↓
Results are estimates for general information only, always verify with a professional or official source before acting on them.
How to use the Bracelet Size Calculator
- 1 Enter Wrist measurement (in), Measure snugly around the wrist bone, not over a sleeve.
- 2 Enter Clasp, The clasp decides how much slack the bracelet needs to fasten.
- 3 Enter Bead size, Leave at custom to enter your own bead diameter.
- 4 Enter Custom bead diameter (mm)
- 5 Enter Cord or thread diameter (mm), Thick cord and knots between beads add to the finished length.
- 6 Press Calculate. You get Bracelet length to make, Beads along the strand, Bracelet length in centimetres, Nearest retail size, and every intermediate step stays visible under "How is this calculated?"
- 7 Change one number at a time to see what moves the result, that is usually the most useful thing a calculator can tell you.
Worked examples
Real numbers run through this calculator. Open any example to load it into the form above and change it.
Average wrist with a lobster clasp
A 6.5 inch wrist, a lobster claw clasp and 6 millimetre beads on thin cord.
You enter
- Wrist measurement
- 6.50 in
- Clasp
- 2
- Bead size
- 6
- Custom bead diameter
- 0 mm
- Cord or thread diameter
- 1 mm
You get
- Bracelet length to make
- 7.42 in
- Beads along the strand
- 31
- Bracelet length in centimetres
- 18.85 cm
- Nearest retail size
- 2
About 7.4 inches, which lands on the average retail size.
Stretch bracelet in large beads
A 7 inch wrist strung on elastic with 8 millimetre beads and no clasp.
You enter
- Wrist measurement
- 7 in
- Clasp
- 3
- Bead size
- 8
- Custom bead diameter
- 0 mm
- Cord or thread diameter
- 1 mm
You get
- Bracelet length to make
- 7.72 in
- Beads along the strand
- 24
- Bracelet length in centimetres
- 19.61 cm
- Nearest retail size
- 2
Stretch cord is cut under the wrist measurement so the elastic holds it on.
Seed bead bracelet with a hook
A 6 inch wrist, a hook clasp and size 11/0 seed beads.
You enter
- Wrist measurement
- 6 in
- Clasp
- 4
- Bead size
- 2.1
- Custom bead diameter
- 0 mm
- Cord or thread diameter
- 0.50 mm
You get
- Bracelet length to make
- 6.31 in
- Beads along the strand
- 76
- Bracelet length in centimetres
- 16.03 cm
- Nearest retail size
- 1
Fine beads need very little allowance, so the bracelet stays close to the wrist.
Guides that go with it
The Complete Guide to Crochet Hook and Yarn Sizes
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