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Decision fieldOpen accessKnitting Needle to Crochet Hook Size ChartGlobalRemoveFree accountWoolmark Learning CentreGlobalRemove
Decision fit
Primary jobLearn techniquesLearn techniques
Also useful forNo additional job recordedNo additional job recorded
AreaYarnTechniques & repair
Best forFinding the current CYC hook and needle aliases that share one known nominal metric diameter before confirming project gaugeStructured wool education
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.
Practical access
ForMakersBoth
Location or jurisdictionGlobalGlobal
AccessOpen accessFree account
FormatStitch AuthorityReference
Source typeStitch AuthorityIndustry organization
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.
Linked page reviewedJul 28, 2026Jul 28, 2026
Next review dueJul 28, 2027Jan 24, 2027
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