Yarn Count Calculator
Convert yarn values among linear-density tex and denier and reciprocal metric count Nm using explicit unit definitions.
A QUICK WALKTHROUGH
How to use this tool
- Enter a positive yarn count in tex, denier, or Nm.
- Choose the source and target count systems.
- Read the converted values and check the unit definitions.
Formula and limits
tex = g/km; denier = g/9000 m = tex×9; Nm = km/kg = 1000/tex. English cotton count is not included. English cotton count and other count systems are not included.
Privacy
Inputs remain in this browser and are not uploaded.
GOOD TO KNOW
Common questions
Which count systems are supported?
The calculator converts among tex, denier, and metric count Nm using their stated linear-density definitions.
Does it convert English cotton count?
No. English cotton count and other count systems are outside this calculator’s scope.