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Fabric Weight
GSM ↔ OSY
GSM (g/m²)
OSY (oz/yd²)
Formula: GSM × 0.836 / 28.35
OSY (oz/yd²)
GSM (g/m²)
Formula: OSY × 28.35 / 0.836
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Yarn Count Converter
12 Systems
Ne (Cotton)
Nm (Metric)
Tex
Denier
dtex (Decitex)
mtex (Millitex)
ktex (Kilotex)
Jute Count
NeK (Worsted)
NeL (Linen)
YSW (Woollen)
Dewsbury
Formulas: Indirect (Ne, Nm, etc.): Count ∝ 1/Weight. Direct (Tex, Denier, etc.): Count ∝ Weight. Tex is used as the universal reference system.
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Ply Yarn (Resultant Count)
Multi-Yarn / Folded
Formula: 1 / Sum(1/Count) [Indirect System]
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Sewing Thread / Cone Length & Weight
Thread Calc
Formula: Count × Weight(g) × 1.6933
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Gauge ↔ Pitch
25.4mm rule
Gauge (GG — needles/inch)
Pitch (mm — needle spacing)
Formula: Pitch (mm) = 25.4 / Gauge
Pitch (mm)
Gauge (GG)
Formula: Gauge = 25.4 / Pitch (mm)
Gauge (GG)Pitch (mm)Count for Single (Ne)Count for Double (Ne)
14 GG1.81410.923.3
18 GG1.41118.038.6
20 GG1.27022.247.6
24 GG1.05832.068.6
28 GG0.90743.693.3
32 GG0.79456.9121.9
36 GG0.70672.0154.3
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Length Converter
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Weight Converter
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