Crafts calculator
Bracelet Bead Calculator
Bracelet Bead Calculator. Use the actual product label and your measured quantities. Starting values are editable examples, not universal rates or product specifications. Keep the units beside each input.
Method and practical checks
- Beads round up to a complete pattern repeat; the resulting length may exceed the target. Large beads change internal fit, so verify with a sample.
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Your measurements and assumptions
Use the actual product label and your measured quantities. Starting values are editable examples, not universal rates or product specifications. Keep the units beside each input.
| Finished bracelet length | 18 | cm |
|---|---|---|
| Clasp and connector length | 2 | cm |
| Bead length along string | 6 | mm |
| Pattern multiple | 1 | |
| Bracelets | 10 | |
| Extra allowance | 10 | % |
| Pack size | 100 | beads |
Method and assumptions
beads = floor_or_ceil((target_length-closure_length)/effective_bead_pitch), rounding convention shown
Beads round up to a complete pattern repeat; the resulting length may exceed the target. Large beads change internal fit, so verify with a sample.
Calculate each bead colour or size separately when it comes in different packs.
Example with the selected inputs
- Beads per bracelet: 27
- Finished length after rounding: 18.2 cm
- Required quantity: 297 beads
- Packs to buy: 3
- Purchase quantity: 300 beads
- Left over: 3 beads
Change the inputs to match your own task. Whole packages are rounded up after allowances, so purchase quantity and actual requirement can differ. Apply each allowance once.