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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Free downloadbluesign System Partner ListsGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Choose materials | Check standards |
| Area | Materials | Materials |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Starting a bluesign-aligned supplier check |
| 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. | Partner status is not a blanket product claim; use the current official list and confirm the exact facility, material, process, or chemical-input scope. |
| Practical access | ||
| For | Both | Apparel brands |
| Location or jurisdiction | Global | Global |
| Access | Open access | Free download |
| Format | Stitch Authority | Directory |
| Source type | Stitch Authority | Official registry |
| 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. | bluesign publishes current system-partner lists and approved-input references that can support facility, material, chemical, dyeing, and finishing checks. |
| Linked page reviewed | Jul 16, 2026 | Jul 15, 2026 |
| Next review due | Jul 16, 2027 | Oct 13, 2026 |
| Inspect | ||
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