Knitting

Plating Yarn & Elastane Ratio Calculator

Elastane draft, not elastane denier, decides how much spandex ends up in the fabric.

Ground Yarn Body of the fabric
Ne
mm
no.
Elastane Plated in
den
x

Elastane Content

— %

By mass in the finished fabric

Mass per Course

Ground Yarn Mass
— g
Elastane Mass
— g
Total Mass
— g
Elastane Length per Ground Metre
— m

Fibre Composition

—% ground —% elastane

Draft is set at the elastane feed unit and drifts as the beam empties. Check it against the stated content before the fabric is labelled.

Plating Yarn & Elastane Ratio Calculator — free, with the formula and a worked example, at Textile School.