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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessYarnSubGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Choose materials | Choose materials |
| Area | Materials | Yarn |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Replacing a discontinued or unavailable yarn |
| 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. | A suggested match is a data-based shortlist, not proof that the yarn suits the pattern or maker. Yarn records can be incomplete or wrong, prices and availability vary by market, and the site uses affiliate links. Confirm the required gauge, total length, fibre behavior, construction, care, color, dye lot, accessibility, and seller terms, then make and assess a representative swatch before committing. |
| Practical access | ||
| For | Both | Makers |
| Location or jurisdiction | Global | Global |
| Access | Open access | Open access |
| Format | Stitch Authority | Reference |
| Source type | Stitch Authority | 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. | YarnSub's official FAQ says its matching software compares gauge, texture, yarn weight and density, fibre content, and fibre qualities such as drape and softness. Discontinued yarns remain searchable as starting points but are excluded from suggested replacements, and each yarn page provides a route to report source-data problems. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 |
| Inspect | ||
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