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## System of Conversion of Yarn Count

System of Conversion of Yarn Count
S. M. Hossen Uzzal
Production Officer
Monno Fabrics Ltd., Manikgonj
Email: uhossen@gmail.com

Conversion of Count System:
We can convert the value of count from one to other system by followings only some formulas. There are 4 systems for conversion of yarn count from one system to another system.

1. Conversion from direct to direct
2. Conversion from indirect to indirect
3. Conversion from direct to indirect &
4. Conversion from indirect to direct
There are two formulas to convert the yarn count as given billow
1. Unknown count = Multiplying converting factor X Given count
2. Unknown count = Constant / Given count
Here the first one is used for first two group of conversion (direct to direct & indirect to indirect) and second one is for last two group including direct to indirect & indirect to direct.

Before read this conversion system you should read the following articles as a result you can understand easily.

The table of converting factor and the count constant is given billow;

Direct to Direct:
 Known yarn count in Multiplying converting factor for unknown count Tex Denier Tex ------- 9 Denier 0.1111 ------ Jute count 34.45 310
Example;
• Denier of unknown count = Tex (known count)  X  9
• Tex of unknown count = 0.1111  X  Den or Jute count
Indirect to Indirect:
 Known yarn count in Multiplying converting factor for unknown count Metric (Nm) Worsted Cotton (Ne) 17 1.5
Example;
• Metric Count = 17 X Known cotton or worsted count
• Worsted Count = 1.5 X Known cotton or Metric count
Indirect to Indirect & Direct to Direct:
 Known yarn count in Constant Tex Denier Cotton 590.5 5315 Metric 1000 9000
Example;
• Metric = 9000/Known Den count
• Denier = 5315/Known Ne
If we see the conversion formula at a glance then concept will be clear about conversion of yarn count.

Conversion formula:
1. Denier = 9 X Tex
2. Ne X Denier = 0.5315
3. Metric X Tex = 1000
4. Tex X Ne = 590.5
5. Ne = Metric X 0.5905
6. Metric X Denier = 9000
7. Tex = 34.45 X lb/ spyndle

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