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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessYarn Database EU Dyers and MakersEuropean UnionRemove | Free + paidYarnpondGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Choose materials | Choose materials | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| 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 | Running knit or crochet pattern tests |
| 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. | The platform is for knit and crochet rather than sewing, and a profile, application, rating, or platform listing does not prove technical competence, availability, identity, or fit for a project. Prices and plan limits can change. Define the test or edit scope, sizes, yarn, deadlines, compensation, confidentiality, intellectual property, file handling, expected feedback, and dispute process in writing before work starts. |
| Practical access | |||
| For | Both | Makers | Both |
| Location or jurisdiction | Global | European Union | Global |
| Access | Open access | Open access | Free + paid |
| Format | Stitch Authority | Directory | Community |
| Source type | Stitch Authority | Community database | First-party platform |
| Account, payment, and exit | |||
| Access scope | Not yet reviewed at this level. | Not yet reviewed at this level. | Knit or crochet tester, designer, sample maker, or tech editor using one role-specific workflow. |
| Before an account | Not yet reviewed at this level. | Not yet reviewed at this level. | Browse public open testing calls and the provider's feature and pricing pages without signing in. |
| Free-account boundary | Not yet reviewed at this level. | Not yet reviewed at this level. | A free signup lets people look around, and testers participate without a platform charge. Designers and tech editors face different role boundaries. |
| Payment boundary | Not yet reviewed at this level. | Not yet reviewed at this level. | Designers can pay per call or job, buy non-expiring credits, or subscribe monthly. Tech editors need a separate monthly subscription to apply for jobs. |
| Cancellation or exit | Not yet reviewed at this level. | Not yet reviewed at this level. | The pricing page says monthly subscriptions can be canceled at any time, but it does not state when paid access ends or what happens to active tests or applications. |
| Saved work and data | Not yet reviewed at this level. | Not yet reviewed at this level. | Designers can download pattern-test feedback as CSV or XLSX. The checked pages do not establish a full account export or deletion route. |
| 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. | Yarnpond's current pages let knit and crochet designers publish public or private testing calls, select applicants, communicate with test teams, set milestones, collect feedback, post sample-making calls, and advertise tech-editing jobs. Testers can participate without charge, while designers pay per testing or job post, use credits that the pricing page says do not expire, or use a monthly subscription that the page says can be canceled. |
| Linked page reviewed | Jul 27, 2026 | Jul 15, 2026 | Jul 28, 2026 |
| Next review due | Jul 27, 2027 | Jan 11, 2027 | Jan 24, 2027 |
| Inspect | |||
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