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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessQuiltMapGlobalRemove | Free + paidYarnpondGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Choose materials | Choose materials | Find patterns & fit |
| Area | Materials | Materials | Patterns & fit |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Finding quilt-material sellers and adjacent quilting services by country or map | 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. | Coverage is quilting-specific and uneven by country; businesses can pay for enhanced features, and community or owner updates do not verify inventory, service quality, hours, or availability. | 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 | Global | Global |
| Access | Open access | Open access | Free + paid |
| Format | Stitch Authority | Directory | Community |
| Source type | Stitch Authority | First-party platform | First-party platform |
| 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. | QuiltMap describes free public search and free basic listings, community submissions and claims, and country routes covering North America, Europe, Japan, South Korea, and Australia. | 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 or use a subscription, and tech editors maintain profiles and apply to posted work. |
| 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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