Textile Calculators Logo TEXTILE CALCULATOR
Directory

Yarn calculator

Yarn Diameter

Calculate cotton yarn diameter from yarn count.

Diameter (cm)
--
Diameter (mm)
--
Diameter (inch)
--
Directory

Method and formula

Yarn Diameter (cm)=(0.375100)×Yarn LD (Denier)9Yarn Diameter (mm)=Yarn Diameter (cm)×10Yarn Diameter (inch)=Yarn Diameter (cm)2.54\begin{aligned} \text{Yarn Diameter (cm)} &= \left(\frac{0.375}{100}\right) \times \sqrt{\frac{\text{Yarn LD (Denier)}}{9}} \\[1em] \text{Yarn Diameter (mm)} &= \text{Yarn Diameter (cm)} \times 10 \\[1em] \text{Yarn Diameter (inch)} &= \frac{\text{Yarn Diameter (cm)}}{2.54} \end{aligned}

Input variables

VariableExpected entry
Yarn count / linear densityEnter a positive measured value.
Input unitChoose: Ne, Nm, Tex, Denier, Dtex

Calculation workflow

  1. Enter the measurements in the displayed units.
  2. Check the selected yarn, fiber, weave, or trade unit where shown.
  3. Review each calculated output and its unit.
  4. Use Copy results to save the displayed values to recent history.

Outputs

  • Diameter (cm)
  • Diameter (mm)
  • Diameter (inch)