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Decision fieldOpen accessKnitting Needle to Crochet Hook Size ChartGlobalRemoveFree accountWoolmark Learning CentreGlobalRemoveOpen accessTech Pack Definition, Contents & LimitsGlobalRemove
Decision fit
Primary jobLearn techniquesLearn techniquesSource production
Also useful forNo additional job recordedNo additional job recordedNo additional job recorded
AreaYarnTechniques & repairProduction
Best forFinding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gaugeStructured wool educationUnderstanding what a tech pack must control before using a template or releasing work
Know before usingA 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.This is Woolmark-operated education focused on wool, not a neutral comparison of all fibres or processing systems. A completion badge records coursework, not independent proof of production competence, product performance, environmental impact, or compliance. Confirm technical values and local requirements against current standards before production use.An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority.
Practical access
ForMakersBothApparel brands
Location or jurisdictionGlobalGlobalGlobal
AccessOpen accessFree accountOpen access
FormatStitch AuthorityReferenceStitch Authority
Source typeStitch AuthorityIndustry organizationStitch Authority
Source and review
What the source establishesRechecked 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.The current Woolmark Learning Centre library publishes free account-based coursework with module counts, completion times, progress tracking, knowledge checks, and supporting resources. Its wool programs cover fibre science, raw-wool and yarn processing, dyeing and finishing, woven textiles, knitwear, product quality, and wastewater management for learners and facilitators.The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions.
Linked page reviewedJul 28, 2026Jul 28, 2026Jul 27, 2026
Next review dueJul 28, 2027Jan 24, 2027Jul 27, 2027
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