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Reed Space & Count

Calculate reed space, reed count, and dents per centimeter.

Reed space
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Reed count (dents per 2 inch)
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Dents per centimeter
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Method and formula

Reed Space (inch)=Fabric Width (inch)×(1+Weft Crimp100)Reed Count=EPI×Fabric Width (inch)Reed Space (inch)×(2Ends Per Dent)Dents Per cm=Reed Count2×2.54\begin{aligned} \text{Reed Space (inch)} &= \text{Fabric Width (inch)} \times \left(1 + \frac{\text{Weft Crimp}}{100}\right) \\[1em] \text{Reed Count} &= \frac{\text{EPI} \times \text{Fabric Width (inch)}}{\text{Reed Space (inch)}} \times \left(\frac{2}{\text{Ends Per Dent}}\right) \\[1em] \text{Dents Per cm} &= \frac{\text{Reed Count}}{2 \times 2.54} \end{aligned}

Input variables

VariableExpected entry
Fabric widthEnter a positive measured value.
Width unitChoose: inch, cm
Weft crimp (%)Enter a positive measured value.
Ends per (inch/cm)Enter a positive measured value.
Ends per dentEnter a positive measured value.

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

  • Reed space
  • Reed count (dents per 2 inch)
  • Dents per centimeter