Convert English Cotton Count to Decitex (Ne to dtex)
English Cotton Count and decitex are inversely related: dtex = 5905.412474 ÷ Ne, so 15 Ne = 393.694165 dtex.
Also searched as English cotton count to dtex, English cotton count in dtex, English cotton count into decitex, Ne to dtex, Ne in decitex, Ne into decitex, English cotton count to decitex and Ne to decitex converter.
1 Ne = 5905.412474 dtex
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk Ne to decitex converter to paste a column from Excel.
How to Convert English Cotton Count to Decitex
- dtex = 5905.412474 ÷ Ne
- Ne = 5905.412474 ÷ dtex
- Example: convert 15 Ne to dtex: 5905.412474 ÷ 15 = 393.694165 dtex
Formula
dtex = 5905.412474482 ÷ Ne
Derivation from SI units:
- Ne = number of 840-yard hanks per pound, so tex = 0.45359237 kg ÷ (840 × 0.9144 m) × 10⁶ ÷ Ne = 590.5412 ÷ Ne
- 1 dtex = 1 g per 10 000 m = 0.1 tex = 10⁻⁷ kg/m (exact)
- Solving for dtex: dtex = 5905.412474482 ÷ Ne (a higher Ne means a lower dtex)
Both units are defined exactly, so the factor is exact. English Cotton Count definition: English cotton count; Decitex definition: decitex.
Worked examples
- A reading of 24 Ne converts to 246.0588531 dtex.
5905.412474 ÷ 24 = 246.0588531 dtex - A value of 50 Ne is 118.1082495 dtex.
5905.412474 ÷ 50 = 118.1082495 dtex
English Cotton Count to Decitex conversion table
| English Cotton Count (Ne) | Decitex (dtex) |
|---|---|
| 6 Ne | 984.2354124 dtex |
| 10 Ne | 590.5412474 dtex |
| 16 Ne | 369.0882797 dtex |
| 20 Ne | 295.2706237 dtex |
| 24 Ne | 246.0588531 dtex |
| 30 Ne | 196.8470825 dtex |
| 32 Ne | 184.5441398 dtex |
| 40 Ne | 147.6353119 dtex |
| 50 Ne | 118.1082495 dtex |
| 60 Ne | 98.42354124 dtex |
| 80 Ne | 73.81765593 dtex |
| 100 Ne | 59.05412474 dtex |
Where it's used
English Cotton Count are used for cotton and blended spun yarns (20s, 30s, 40s), while decitex appear in polyester and nylon filament yarns (for example 167 dtex). Both measure yarn count (linear density of yarns and fibres), but one system is the inverse of the other, so a fixed constant is divided by the value.
English Cotton Count to other yarn count units
| Conversion | 1 Ne equals |
|---|---|
| Ne to decitex | 5905.412474 dtex |
| Ne to tex | 590.5412474 tex |
| Ne to denier | 5314.871227 den |
| Ne to Nm | 1.693361817 Nm |
| Ne to Nw | 1.5 Nw |
| Ne to kilotex | 0.5905412474 ktex |
| Ne to woollen count | 3.28125 NY |
| Ne to linen lea | 2.8 NeL |
Show 1 more units
| Ne to kilogram per metre | 0.0005905412474 kg/m |
|---|
Frequently asked questions
What is the formula for English cotton count to decitex?
dtex = 5905.412474 ÷ Ne. The two systems are inversely related, so divide the constant by the value; do not multiply. For example, 5905.412474 ÷ 15 = 393.694165 dtex.
Why does a higher Ne give a lower dtex?
English Cotton Count counts length per unit mass (an indirect system), while decitex counts mass per unit length (a direct system). A finer yarn has a higher indirect number and a lower direct number.
Is the Ne to dtex conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- ASTM D2260, Standard Tables of Conversion Factors and Equivalent Yarn Numbers Measured in Various Numbering Systems, ASTM International , Cotton count (Ne).
- 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".
- ISO 1144, Textiles — Universal system for designating linear density (Tex System), International Organization for Standardization , Tex system.
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). Convert English Cotton Count to Decitex (Ne to dtex). Retrieved October 25, 2026, from https://scientificconverters.com/yarn-count/ne-to-decitex/
IEEE
Scientific Converters, "Convert English Cotton Count to Decitex (Ne to dtex)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/yarn-count/ne-to-decitex/