Yorkshire Woollen Count (NY)
The Yorkshire woollen count is the number of 256-yard skeins in one pound of yarn. It is an indirect count for woollen-spun (carded) wool yarns.
Symbol: NY
Quantity: yarn count (linear density of yarns and fibres)
SI relation: Yorkshire woollen count = number of 256-yard skeins per pound, so tex = 1937.7 ÷ count
Derivation: Yorkshire woollen count = number of 256-yard skeins per pound, so tex = 1937.7 ÷ count
Exact: yes, by definition
Typical uses
- Woollen-spun yarns for tweeds and blankets
- Older UK wool trade specifications
Convert Yorkshire woollen count to other units
| Conversion | 1 NY equals | Reverse |
|---|---|---|
| woollen count to tex | 1937.713468 tex | tex to woollen count |
| woollen count to denier | 17439.42121 den | denier to woollen count |
| woollen count to Ne | 0.3047619048 Ne | Ne to woollen count |
| woollen count to decitex | 19377.13468 dtex | decitex to woollen count |
| woollen count to Nm | 0.5160721729 Nm | Nm to woollen count |
| woollen count to Nw | 0.4571428571 Nw | Nw to woollen count |
| woollen count to kilotex | 1.937713468 ktex | kilotex to woollen count |
| woollen count to linen lea | 0.8533333333 NeL | linen lea to woollen count |
| woollen count to kilogram per metre | 0.001937713468 kg/m | kilogram per metre to woollen count |
Open the Yarn Count Converter to convert any value between all units.
Sources
- ASTM D2260, Standard Tables of Conversion Factors and Equivalent Yarn Numbers Measured in Various Numbering Systems, ASTM International , Woollen count (Yorkshire skeins).
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "yard" and "pound".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Yorkshire Woollen Count (NY). Retrieved October 25, 2026, from https://scientificconverters.com/units/woollen-count/
IEEE
Scientific Converters, "Yorkshire Woollen Count (NY)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/units/woollen-count/