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Compare textile resources.
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| Decision field | Open accessSeam Allowance ConverterGlobalRemove | Open accessKnittyGlobalRemove | Open accessSample Review & Approval RecordGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Find patterns & fit | Find patterns & fit | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Yarn | Production |
| Best for | Translating a seam allowance already stated by a pattern or controlled specification | Free editorial knitting patterns and techniques | Approving a named sample without accidentally approving bulk |
| Know before using | This is a unit-translation reference. It does not select, approve, or change a seam allowance; establish a universal fraction; interpret an unstated cutting or stitching line; or replace the exact pattern version, controlled specification, material and seam evidence, sample, production method, equipment, tolerance, or release authority. | Free access does not grant commercial reproduction or sale rights; uses beyond one personal copy must be resolved with the designer or author. Knitty says it tries to avoid errors but disclaims responsibility for pattern and technique inaccuracies. Check the live page for corrections, verify gauge and measurements, and confirm permission before any commercial use. | The record does not validate every size or user, prove bulk conformity, prescribe universal defect classes or AQL, replace testing or inspection, or establish compliance. |
| Practical access | |||
| For | Both | Makers | Apparel brands |
| Location or jurisdiction | Global | Global | Global |
| Access | Open access | Open access | Open access |
| Format | Stitch Authority | Reference | Stitch Authority |
| Source type | Stitch Authority | First-party platform | Stitch Authority |
| Source and review | |||
| What the source establishes | NIST states that one inch is exactly 25.4 millimetres, and the SI decimal relationship makes one centimetre equal to 10 millimetres. The tool uses those factors, displays rounded equivalents, exposes the size difference to the nearest 1/16 inch when converting to inches, and preserves valid value, source-unit, and target-unit state in the URL. | Knitty currently publishes web-only editorial issues containing original knitting and crochet patterns and articles. Its legal page states that patterns are free for one person's personal use, identifies each designer or author as the copyright holder, and explains that verified pattern corrections are posted in bright pink on the pattern page. | The record applies version and lot controls from textile testing plus current ISO and ASQ acceptance-sampling boundaries to separate sample approval from bulk release. |
| Linked page reviewed | Jul 28, 2026 | Jul 21, 2026 | Jul 15, 2026 |
| Next review due | Jul 28, 2027 | Jan 17, 2027 | Jul 15, 2027 |
| Inspect | |||
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