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Weaving Yarn Consumption

Estimate warp and weft yarn consumption for woven fabric.

Warp consumption (kg)
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Weft consumption (kg)
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Method and formula

Weft Consumption=(Reed Space+Fringe)×2.54100×PPI×1002.54×Fabric Length×5315Weft Count (Ne)9000×1000Warp Consumption=Reed Space×EPI×Fabric Length×(1+Warp Crimp100)×5315Warp Count (Ne)×(1+Wastage100)9000×1000\begin{aligned} \text{Weft Consumption} &= \frac{\frac{(\text{Reed Space} + \text{Fringe}) \times 2.54}{100} \times \frac{\text{PPI} \times 100}{2.54} \times \text{Fabric Length} \times \frac{5315}{\text{Weft Count (Ne)}}}{9000 \times 1000} \\[1em] \text{Warp Consumption} &= \frac{\text{Reed Space} \times \text{EPI} \times \text{Fabric Length} \times \left(1 + \frac{\text{Warp Crimp}}{100}\right) \times \frac{5315}{\text{Warp Count (Ne)}} \times \left(1 + \frac{\text{Wastage}}{100}\right)}{9000 \times 1000} \end{aligned}

Input variables

VariableExpected entry
Warp yarn count (Ne)Enter a positive measured value.
Weft yarn count (Ne)Enter a positive measured value.
On-loom EPIEnter a positive measured value.
Picks per inchEnter a positive measured value.
Warp crimp (%)Enter a positive measured value.
Reed space (inch)Enter a positive measured value.
Weft fringe (inch)Enter a positive measured value.
Fabric length (m)Enter a positive measured value.
Wastage (%)Enter 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

  • Warp consumption (kg)
  • Weft consumption (kg)