Knitting

Warp Knitting Runner Length & Beam Feed Calculator

Runner length is warp knitting stitch length. It sets weight, feed rate and beam life together.

Guide Bar Per rack of 480 courses
mm/rack
dtex
Machine & Fabric Running conditions
npi
courses/cm
courses/min

Weight Contributed by This Bar

— g/m²

Add each bar to reach total fabric GSM

Consumption & Feed

Yarn per Square Metre
— m
Needles per Metre Width
— no.
Beam Feed Rate per Needle
— m/min
Yarn per Course per Needle
— mm

Each guide bar has its own runner and its own beam. Total fabric weight is the sum of the bars, so run this once per bar.

Warp Knitting Runner Length & Beam Feed Calculator — free, with the formula and a worked example, at Textile School.