Yarn Conversion Calculator

In Tex, Denier, Decitex, Linen, Hemp, Jute, Woollen (Aberdeen) and Woollen (US grain); the higher the number the thicker the yarn. For all other counts, the higher the number the thinner the yarn.

Measurement	Value	Unit
Tex		grams/kilometer
Denier		grams/9,000 meters (or 9 km)
Decitex		grams/10,000 meters (or 10 km)
Linen, Hemp, Jute		lb/14,400 yd (spyndle)
Woollen(Aberdeen)		lb/14,400 yd
Woollen(US grain)		grains/20 yd
Asbestos(American)		100 yd(cut)/lb
Asbestos(English)		50 yd/lb
Cotton bump yarn		yd/oz
Cotton(English)		840 yd(hank)/lb
Glass(UK & USA)		100 yd/lb
Linen(set or dry spun)		300 yd(lea)/lb
Wool Run		1600 yd/lb
Metric		kilometres/kg
Spun silk		840 yd/lb
Typp		1000 yd/lb
Woollen(Alloa)		11,520 yd(spyndle)/24 lb
Woollen(American cut)		300 yd/lb
Woollen(American run)		100 yd/oz
Woollen(Dewsbury)		yd/oz
Woollen(Galashiels)		300 yd(cut)/24 oz
Woollen(Hawick)		300 yd(cut)/26 oz
Woollen(Irish)		yd/0.25 oz
Woollen(West of England)		320 yd(snap)/lb
Woollen(Yorkshire)		256 yd(skein)/lb
Woollen(Yorkshire)		yd/dram
Woollen(Worsted)		560 yd(hank)/lb

Yarn Conversion Calculator

We developed this online yarn conversion calculator to take the place of the old conversion table slide rules used in the past. Feel free to link to this page on your site if you find it useful.

Learn more about our products

"Thread and yarns may be part of our partner's process, but thread and yarns is 100% of what we do. It's our passion."

ISO 9001:2015 Standard Registered