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| Decision field | Open accessSeam Allowance ConverterGlobalRemove | Open accessPattern Test Brief TemplateGlobalRemove |
|---|---|---|
| Decision fit | ||
| Primary job | Find patterns & fit | Find patterns & fit |
| Also useful for | No additional job recorded | No additional job recorded |
| Area | Patterns & fit | Patterns & fit |
| Best for | Translating a seam allowance already stated by a pattern or controlled specification | Planning a sewing, knitting, or crochet pattern test |
| Know before using | This is a unit-translation reference. It does not select, approve, or change a seam allowance; establish a universal fraction; interpret an unstated cutting or stitching line; or replace the exact pattern version, controlled specification, material and seam evidence, sample, production method, equipment, tolerance, or release authority. | The workflow is not a contract or quality certification; local legal duties and technical review may still apply. |
| Practical access | ||
| For | Both | Both |
| Location or jurisdiction | Global | Global |
| Access | Open access | Open access |
| Format | Stitch Authority | Stitch Authority |
| Source type | Stitch Authority | Stitch Authority |
| Source and review | ||
| What the source establishes | NIST states that one inch is exactly 25.4 millimetres, and the SI decimal relationship makes one centimetre equal to 10 millimetres. The tool uses those factors, displays rounded equivalents, exposes the size difference to the nearest 1/16 inch when converting to inches, and preserves valid value, source-unit, and target-unit state in the URL. | The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface. |
| Linked page reviewed | Jul 28, 2026 | Jul 15, 2026 |
| Next review due | Jul 28, 2027 | Jul 15, 2027 |
| Inspect | ||
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