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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessThe Fold LineGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Choose materials | Find patterns & fit |
| Area | Materials | Patterns & fit |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Browsing and buying indie sewing patterns |
| 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. | This is a retailer-curated catalogue, not a complete or neutral index of sewing patterns. Customer reviews are individual reports rather than standardized fit testing, and each designer controls sizing, instructions, licence, format, errata, and support. Confirm the exact size range, cup options, finished measurements, file format, and usage terms on the product page before purchase. |
| Practical access | ||
| For | Both | Makers |
| Location or jurisdiction | Global | Global |
| Access | Open access | Open access |
| Format | Stitch Authority | Marketplace |
| Source type | Stitch Authority | Commercial marketplace |
| 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. | The Fold Line's current shop and about page expose a curated catalogue of more than 7,000 sewing patterns from over 200 independent designers, a pattern finder, customer reviews, paper and digital PDF formats, and an optional large-format copy-shop printing service with worldwide shipping. |
| Linked page reviewed | Jul 16, 2026 | Jul 21, 2026 |
| Next review due | Jul 16, 2027 | Jan 17, 2027 |
| Inspect | ||
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