A simple and easy-to-use yarn calculator to convert between units of yarn measurement. Yarn number is a measure of the fineness or size of a yarn expressed either as mass per unit length or length per unit. Yarn Count and Yarn Size are synonymous with Yarn Number. The current version provides the function to convert the following units:
- tex : grams per kilometer of yarn.
- den (denier) : grams per 9 kilometers of yarn.
- dtex : grams per 10 kilometer of yarn.
- Linen : the number of pound per 14,400 yds.
- Wool (Woollen Count or Yorkshire skein) : the number of 256 yards lengths per 1 pound of yarn.
- Nm : the number of 1 kilometer lengths per kg of yarn.
- NeW (NeK, Worsted Count) : the number of 560 yards lengths per pound of yarn.
- NeC (ECC or Ne, English Cotton Count) : the number of 840 yards lengths per pound of yarn.
- DeW (Woollen Dewsbury) : the number of yard lengths per oz.
- NeL (Lea, linen Count) : the number of 300 yards lengths per pound of yarn. 

Diameter is evaluated based on Yarn Count system and the specific gravity.
Please purchase to access the full version of the application to access the feature.
If you run into trouble or have suggestions for new features please feel free to email me ([email protected]).