Janet's thread

A weblog, mostly about knitting but other topics appear

What Are Those Numbers? August 23, 2015

Filed under: Uncategorized — Janet @ 2:16 pm

The Sweaty Knitter, Weaver and Devotee of Other Fiber Arts

Have you ever found a cone of interesting yarn, looked insConesCottonide the cone, read “8/2 cotton,” 10/3 linen or “10/3 wool” and wondered what those numbers mean? It’s the yarn or thread count. The yarn count or thread count is the number of yards of that specific yarn needed to make up one pound of a particular sized fiber (“YPP”).

HandbookThe Handbook of Timesaving Tables for Weavers, Spinners and Dyers (Bettie G. Roth & Chris Schulz, 1993), sets out the yards per pound of various fibers as follows:

840Cotton, spun silk, rayon and acetate
300Linen, hemp, jute, ramie & wool (cut system)
560Worsted wool (spun system)
1,600Wool (run system)

A. Explanation

  • #1 cotton = 840 yards
  • #2 cotton (2x yardage and 1/2 diameter of #1) = 1,680 YPP
  • #3 cotton (3x yardage and 1/3 of diameter of #1) = 2,520 YPP
  • #8 cotton…

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