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Given the linear density and weight the yarn length can be calculated; for example: l/m = 1693 × l m /Nec × m/kg, where l/m is the yarn length in metres, l m /Nec is the English cotton count and m/kg is the yarn weight in kilograms. The following length units are defined. Bundle: usually 10 lb (4.5 kg)
Because the amount of twist defines a lot about a yarn, the number of twists per inch is an important measure to recreate a yarn. As a spinner spins, they will often stop every few minutes to check to see that the number of twists per inch is the same throughout the yarn, as well as that the number of wraps per inch (the thickness of the yarn ...
The Bradford system (also known as the English Worsted Yarn Count System or spinning count or Bradford count) is a way to assess the fineness of wool.. To measure the fineness of sheep wool fibre before microscopes and lasers were used, English wool handlers in the city of Bradford described wool by estimating (with experienced eyes) how many 560-yard (512 m) hanks of single-strand yarn could ...
For better accuracy, measure the wraps at the center of your yarn sample. The number of wraps will act as a gauge to assess the thickness of unmarked yarn; for example 12 wraps per inch is 12 WPI, and is used to calculate how much yarn is required for various articles, [3] so that 12 is equivalent to 8 ply (worsted weight, medium weight) yarn. [3]
Yarn weight is a factor; thicker yarns with less loft overall produce larger stitches than thinner yarns (reducing the number of stitches per width and length). Larger knitting needles also produce larger stitches, giving fewer stitches and rows per inch. Changing needle size is the best way to control one's own gauge for a given pattern and yarn.
The S numbers originated in England, [4] where the worsted spinning process was invented and arose from the worsted yarn count system for stating the fineness of yarn. The worsted count (also known as the Bradford count) was the number of 560-yard (510 m) lengths (hanks) of worsted yarn that 1 pound (0.45 kg) of wool yields. [5]
Spinning count is a measure of fibre fineness and distribution developed in England. It is defined as the number of hanks of yarn that can be spun from a pound of wool. A hank of wool is 560 yards long (560 yd/lb = 1.129 km/kg). In theory a pound of 62s wool could produce 34720 yards of yarn. [1]
A pick glass also known as a piece glass is a magnifying glass helpful in counting thread count. It is used to determine the number of yarns in warp and weft in woven fabrics and courses and wales in knitted fabrics. [1] [2] Compact constructions of fabrics may have a higher thread count. That is also called "cloth count". [3]