Yarn Conversion Calculator

Yarn Conversion Calculator

Convert between Tex (g/1000 m), Denier (g/9000 m), Decitex (g/10000 m), Metric (km/kg), Imperial (miles/lb), and Woolen (Dewsbury) (yards/oz). Edit any field and the others update instantly.

Precision: Tip: type in the unit you have.
Show formulas

Definitions: Tex = grams per 1000 m; Denier = grams per 9000 m; Decitex = grams per 10000 m; (Metric) = kilometers per kilogram; Imperial = miles per pound; Woolen (Dewsbury) = yards per ounce.

Using tex as the base:

  • denier = tex × 9
  • dtex = tex × 10
  • Metric (km/kg) = 1000 ÷ tex
  • Imperial (miles/lb) = 281.8492316 ÷ tex
  • Woolen (Dewsbury, yards/oz) = 31003.41554 ÷ tex