Yarn Count Converter and Yarn length/weight calculator
find our easy to use Yarn count converter and yarn weight/length calculator and also find denim yarn guide.
Type a number into ANY one box below
All equivalent values
Ne (English)
—
Yards per pound ÷ 840
Nm (Metric)
—
Metres per gram
Tex
—
Grams per 1000m
Denier
—
Grams per 9000m
💡 Tip: Typical denim warp yarns range from Ne 6 to Ne 20. Enter a value above to see the equivalent.
Conversion formulas used
Key relationships
Nm = Ne × 1.6935
Tex = 590.5 ÷ Ne
Denier = 5315 ÷ Ne
Tex = Denier ÷ 9
Ne = 590.5 ÷ Tex
Tex = 590.5 ÷ Ne
Denier = 5315 ÷ Ne
Tex = Denier ÷ 9
Ne = 590.5 ÷ Tex
Calculate yarn weight or length
Weight
—
pounds
In grams
—
grams
Formula used (Ne system)
Ne = (Length in yards) ÷ (Weight in pounds × 840)
So: Weight (lb) = Length (yd) ÷ (Ne × 840)
And: Length (yd) = Ne × Weight (lb) × 840
So: Weight (lb) = Length (yd) ÷ (Ne × 840)
And: Length (yd) = Ne × Weight (lb) × 840
Common denim yarn specifications (reference table)
| Use in denim | Ne | Tex | Nm |
|---|
In denim manufacturing, coarser yarns (Ne 6–10) are used for warp because they provide strength, while finer yarns may be used in weft for softer drape. Lower Ne = heavier, stronger, stiffer fabric. Higher Ne = lighter, softer, better drape.