Stitch Length & Course Length Estimator
Derives stitch length from an unravelled course length and needle count, and reports the tightness factor that governs knitted fabric handle, dimensional stability and weight.
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Knitting
Weft and warp knitting fundamentals, loop formation, stitch density, spirality control, and defect diagnosis. Includes machine settings, patterning, and performance outcomes. This section explains practical decision criteria, typical test methods, and failure modes that matter in real production. Readers get checklists, calculation steps, and case examples connecting specifications to cost, reliability, and compliance. Links map core concepts to upstream inputs and downstream processes so choices remain consistent across sourcing, manufacturing, and end-use performance. Each article includes definitions, diagrams where helpful, and plain-language notes to help newcomers ramp quickly while giving experienced professionals the depth needed to troubleshoot and optimize. Standards references are cited with context, and whenever trade-offs exist, we make them explicit so you can defend decisions.
Spirality & Skewness Calculator
Quantifies spirality in single jersey fabric from measured wale displacement, giving the percentage, the equivalent skew angle and the margin against an agreed acceptance limit.
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Fabric Relaxation Shrinkage Calculator
Measures lengthwise and widthwise relaxation shrinkage from marked sample dimensions before and after washing, and derives the area change and the GSM the fabric will settle at once relaxed.
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Plating Yarn & Elastane Ratio Calculator
Calculates the true elastane percentage in a plated knitted fabric from ground yarn count, elastane denier and the draft ratio it is fed at, so labelling and costing reflect what is actually in the cloth.
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Loop Shape Factor & Fabric Density Calculator
Computes Munden’s Kc, Kw and Ks constants and the loop shape factor for a knitted fabric, the dimensionless measures that predict whether a structure has reached its stable relaxed state.
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Knitted Fabric GSM Predictor
Predicts the grams per square metre of a knitted fabric from courses and wales per inch, stitch length and yarn count, by counting the loops in a square metre and the yarn length they consume.
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Machine Gauge to Optimum Yarn Count Matcher
Matches a knitting machine gauge to a workable yarn count range, and checks needle spacing against yarn diameter so the chosen count will not jam the needle bed or knit slack.
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Courses & Wales per Inch Calculator
Converts loop counts taken over a measured knitted sample into courses per inch, wales per inch, metric equivalents and stitch density, the base measurements for every other knitting calculation.
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Circular Knitting Production Calculator
Converts circular knitting machine speed, feeder count, needle count and stitch length into fabric output in kilograms per hour and per shift, along with the yarn length and course rate the machine consumes.
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