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| Decision field | Open accessKnitting Needle to Crochet Hook Size ChartGlobalRemove | Free + paidPattern TestersGlobalRemove | Open accessAFC Pattern Makers DirectoryAustralia · OceaniaRemove | Open accessFabric Mass Unit ConverterGlobalRemove |
|---|---|---|---|---|
| Decision fit | ||||
| Primary job | Learn techniques | Find patterns & fit | Find patterns & fit | Choose materials |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Yarn | Patterns & fit | Patterns & fit | Materials |
| Best for | Finding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gauge | Coordinating an independent sewing-pattern test | Starting an Australian patternmaker shortlist by service and location before checking scope, files, fit process, and availability directly | Translating the same fabric mass-per-area result between metric and U.S. customary listings |
| Know before using | A shared nominal diameter does not make a knitting needle and crochet hook interchangeable or predict equal gauge or fabric. The reference is not a physical measurement, manufacturer inspection, UK or Canadian conversion, steel-hook chart, tool recommendation, yarn assignment, or project approval. | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | This is a task-specific route inside the existing AFC industry directory, not an independent provider census or a second operator. A category, profile, location, member filter, service description, or AFC membership does not establish identity, qualifications, current availability, product experience, fit quality, grading accuracy, file compatibility, ownership terms, capacity, pricing, subcontracting, or project fit. Confirm the legal and working party, the individual responsible, relevant product examples and references, base-pattern and size-chart inputs, fit and grading method, sample rounds, CAD system and version, required file outputs, intellectual-property and revision terms, schedule, fees, and remedies directly. | 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. |
| Practical access | ||||
| For | Makers | Apparel brands | Apparel brands | Both |
| Location or jurisdiction | Global | Global | Australia · Oceania | Global |
| Access | Open access | Free + paid | Open access | Open access |
| Format | Stitch Authority | Software | Directory | Stitch Authority |
| Source type | Stitch Authority | First-party platform | Industry organization | Stitch Authority |
| Source and review | ||||
| What the source establishes | Rechecked July 28, 2026. The lookup reproduces the current public Craft Yarn Council metric and U.S. alias rows, aligns hooks and needles only when their nominal millimetre value matches, and leaves missing rows or aliases unfilled. | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | The Australian Fashion Council directory exposes Pattern Makers as a dedicated Design and Technical category. The live category page publishes named profiles with company-supplied service descriptions, Australian locations, websites or contact routes where supplied, and an AFC-member filter. Checked profiles described combinations of manual or digital patternmaking, grading, fit sessions, technical design, tech packs, sampling, markers, and production support. The parent directory also publishes a route for businesses to request inclusion. | 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. |
| Linked page reviewed | Jul 28, 2026 | Jul 21, 2026 | Jul 26, 2026 | Jul 27, 2026 |
| Next review due | Jul 28, 2027 | Jan 17, 2027 | Jan 22, 2027 | Jul 27, 2027 |
| Inspect | ||||
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