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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Free accountRibblrGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Choose materials | Choose materials | Find patterns & fit |
| Area | Materials | Yarn | Patterns & fit |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Finding independent EU yarn or fibre dyers with off-Ravelry purchase routes | Following interactive patterns with progress tools |
| Know before using | The result is a numerical unit conversion, not a new measurement or conformance decision; it does not establish sample or lot representativeness, significant digits, drape, warmth, opacity, thickness, stretch, strength, shrinkage, durability, sewability, end use, target, or tolerance. | It is one curator's intentionally selective, off-Ravelry-oriented database, inventories change, and paid supporters can receive rotating priority placement; verify availability, fibre claims, shipping, and terms directly. | Ribblr supplies the reading and publishing format, but each designer remains responsible for the pattern's math, sizing, instructions, testing, corrections, licence, and support. Interactive conveniences do not prove fit or technical accuracy. Pattern prices and available features vary, and following an ePattern depends on an account and continued platform access. |
| Practical access | |||
| For | Both | Makers | Makers |
| Location or jurisdiction | Global | European Union | Global |
| Access | Open access | Open access | Free account |
| Format | Stitch Authority | Directory | Marketplace |
| Source type | Stitch Authority | Community database | Commercial marketplace |
| Source and review | |||
| What the source establishes | The calculator uses the NIST SP 811 Appendix B.8 conversion from avoirdupois ounces per square yard to kilograms per square metre and links to a source-reviewed fabric mass record for method, sampling, conditioning, and product controls. | The individually researched database offers free listings and sortable yarn, fibre, designer, editor, accessory, and location views; the EU page spans multiple countries and direct seller profiles. | Ribblr's current ePattern manual documents line-by-line progress tracking, size-specific instructions, interactive charts, counters, attached media, stitch tutorials, unit handling, and left-hand display options. Its Ribbuild guidance says designers can create and test interactive crochet, knitting, and sewing patterns inside the platform. |
| Linked page reviewed | Jul 16, 2026 | Jul 15, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 11, 2027 | Jan 17, 2027 |
| Inspect | |||
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