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| Decision field | Free + paidPattern TestersGlobalRemove | Open accessFabric Mass Unit ConverterGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Find patterns & fit | Choose materials |
| Area | Patterns & fit | Materials |
| Best for | Coordinating an independent sewing-pattern test | Translating the same fabric mass-per-area result between metric and U.S. customary listings |
| Know before using | The interface and plan description do not prove tester reach, completion, feedback quality, fit validity, export quality, uptime, support, or suitability for an established release process. Measurements and photos can be sensitive personal data. Run a non-critical pilot, review the current privacy and service terms, define consent and photo rights, test exports and deletion, and keep pattern approval and release responsibility with the designer. | 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. |
| Practical access | ||
| For | Apparel brands | Both |
| Location or jurisdiction | Global | Global |
| Access | Free + paid | Open access |
| Format | Software | Stitch Authority |
| Source type | First-party platform | Stitch Authority |
| Source and review | ||
| What the source establishes | Pattern Testers currently offers application intake, tester selection, feedback, photos, approvals, issue tracking, revisions, a reusable tester directory, and release deadlines. The public pricing page shows a limited free plan and paid Pro and Business tiers. Its June 2026 privacy policy lists names, email addresses, measurements, photos, feedback, application history, and assignments among the data processed. | 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. |
| Linked page reviewed | Jul 21, 2026 | Jul 16, 2026 |
| Next review due | Jan 17, 2027 | Jul 16, 2027 |
| Inspect | ||
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