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| Decision field | Open accessFabric Mass Unit ConverterGlobalRemove | Open accessNMSU Pattern Alteration GuideUnited States · North AmericaRemove | Open accessTech Pack Definition, Contents & LimitsGlobalRemove |
|---|---|---|---|
| Decision fit | |||
| Primary job | Choose materials | Find patterns & fit | Source production |
| Also useful for | No additional job recorded | No additional job recorded | No additional job recorded |
| Area | Materials | Patterns & fit | Production |
| Best for | Translating the same fabric mass-per-area result between metric and U.S. customary listings | Checking a common flat-pattern alteration method | Understanding what a tech pack must control before using a template or releasing work |
| 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. | The guide's general womenswear diagrams and ease ranges are teaching examples, not an individual diagnosis, current commercial-pattern specification, or complete fitting course. A named symptom can have several causes, and alterations may affect adjoining seams, facings, collars, sleeves, balance, and style. Verify the method against the exact pattern and test the coordinated changes on a muslin. | An orientation rather than a completed product record; it does not supply a universal format, licensed standard content, measurements, tolerances, construction settings, labels, approvals, compliance conclusion, or product-release authority. |
| Practical access | |||
| For | Both | Makers | Apparel brands |
| Location or jurisdiction | Global | United States · North America | Global |
| Access | Open access | Open access | Open access |
| Format | Stitch Authority | Reference | Stitch Authority |
| Source type | Stitch Authority | Government guidance | Stitch Authority |
| 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. | New Mexico State University's current Cooperative Extension Guide C-228 explains three alteration methods, folding out fullness, slashing and spreading or overlapping, and redrawing darts or seams. It provides illustrated bodice, sleeve, skirt, and trouser examples and tells readers to compare body measurements plus intended ease with the pattern while preserving grain, design lines, related-piece changes, and comfort ease. | The guide cites published ISO sources for documented-information, garment-measurement, stitch, and seam boundaries plus current U.S. FTC textile and care-labeling guidance; it discloses that ISO 10013:2021's 2026 systematic review is at close-of-review stage and separates every cited authority from product-specific technical and market decisions. |
| Linked page reviewed | Jul 30, 2026 | Jul 21, 2026 | Jul 27, 2026 |
| Next review due | Jul 30, 2027 | Oct 19, 2026 | Jul 27, 2027 |
| Inspect | |||
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