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| Decision field | Open accessCraft Yarn Council StandardsUnited States · North AmericaRemove | Open accessSeam Allowance ConverterGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Check standards | Find patterns & fit |
| Area | Standards | Patterns & fit |
| Best for | Resolving yarn and pattern terminology | Working between pattern systems |
| Know before using | These are voluntary industry guidelines, not law, a licensed test method, or proof that a yarn, hook, needle, pattern, size, or care instruction suits a project. Publishers, manufacturers, and regions may use different names, aliases, chart symbols, size tables, and weight systems. Confirm the actual pattern key, measured tool diameter, yarn label and specifications, body or garment measurements, gauge, care evidence, and destination-market requirements. | A unit reference; the correct allowance depends on material, seam type, and production method. |
| Practical access | ||
| For | Both | Both |
| Location or jurisdiction | United States · North America | Global |
| Access | Open access | Open access |
| Format | Reference | Stitch Authority |
| Source type | Industry organization | Stitch Authority |
| Source and review | ||
| What the source establishes | The Craft Yarn Council's current gateway publishes its yarn-weight system, crochet and knitting chart symbols and abbreviations, project levels, body-size tables, hook and needle aliases, care symbols, designer guidance, downloadable symbols, and a guideline PDF. The Council says yarn companies, tool manufacturers, publishers, and consultants developed the guidance to improve consistency in labels and patterns and asks industry participants to adopt it. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. |
| Linked page reviewed | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Oct 19, 2026 | Jul 15, 2027 |
| Inspect | ||
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