Instantly convert between Nm, Tex, Denier, and Cotton count measurements
Nm
Enter the yarn weight in Metric Count (Nm) - meters per gram
Tex
Enter the yarn weight in Tex Count - grams per 1000 meters
D
Enter the yarn weight in Denier - grams per 9000 meters
Ne
Enter the yarn weight in Cotton Count (Ne) - hanks per pound
Metric Count (Nm)—
Tex Count—
Denier—
Cotton Count (Ne)—
What does this mean? The converter displays equivalent yarn weights across all four measurement systems. Each result represents the same yarn thickness expressed in different units commonly used in textile manufacturing and knitting industries worldwide.
Understanding Yarn Weight Measurements
Yarn weight is a critical specification in textile manufacturing, knitting, and crochet projects. Different regions and industries use different measurement systems to describe yarn thickness and density. The four primary systems - Metric Count (Nm), Tex, Denier, and Cotton Count (Ne) - serve different purposes and are used in various parts of the world.
Metric Count (Nm) Explained
Metric Count, abbreviated as Nm, is one of the most widely used yarn measurement systems globally. It represents the number of meters of yarn per gram of weight. For example, an Nm 30 yarn means there are 30 meters of yarn in one gram. This direct measurement makes Nm particularly useful for precise calculations in industrial settings. Higher Nm values indicate finer, lighter yarns, while lower values represent thicker, heavier yarns. The metric system is the standard in most countries and is preferred in modern textile mills.
Tex Count System
Tex is an international standard measurement that expresses yarn weight as grams per 1000 meters. This system is widely used in industrial textile production and provides a straightforward way to compare yarn weights. A yarn measuring 20 Tex weighs 20 grams for every 1000 meters of length. Tex counts are particularly useful when purchasing yarns in bulk or working with commercial textile suppliers. The Tex system is inverse to the Nm system - as Tex values increase, yarn becomes heavier and thicker.
Denier Measurement
Denier is a traditional measurement unit that indicates the weight of yarn in grams per 9000 meters. Historically used for silk and synthetic fibers, Denier remains important in the fashion and apparel industry. A 100 Denier yarn weighs 100 grams per 9000 meters of length. This system is particularly common when describing hosiery, lingerie, and synthetic yarns. Understanding Denier is essential for anyone working with commercial apparel manufacturing or selecting stockings and tights based on weight specifications.
Cotton Count (Ne) System
Cotton Count, abbreviated as Ne, represents the number of hanks per pound of yarn. One hank equals 840 yards in the English measurement system. This traditional system is deeply rooted in cotton and wool textile manufacturing. Ne 20 means there are 20 hanks (20 × 840 = 16,800 yards) in one pound of yarn. While less common in modern industries, the Cotton Count system remains important in traditional textile regions and for vintage pattern specifications. Understanding this system is valuable for historical textile work and traditional handcraft patterns.
Why Use a Yarn Weight Converter
Converting between different yarn measurement systems can be mathematically complex and prone to errors. Our Yarn Weight Converter eliminates guesswork by providing instant, accurate conversions across all four systems. Whether you're a textile professional, knitter, crocheter, or designer sourcing materials internationally, this tool ensures you can work with specifications from any region. Having all conversions visible simultaneously helps you understand the relationships between different measurement systems and make informed decisions about yarn selection for your projects.
Nm (Metric Count) measures meters per gram, while Tex measures grams per 1000 meters. They are inverse measurements - Nm is direct count while Tex is weight-based. An Nm 50 yarn (50 meters per gram) equals approximately 20 Tex (20 grams per 1000 meters).
Which yarn measurement system should I use?
The choice depends on your location and industry. Nm is standard in most countries and modern mills. Tex is used in industrial textiles. Denier is common for synthetic and hosiery yarns. Cotton Count (Ne) is traditional and used in cotton and wool industries. Check your pattern or supplier for their preferred system.
How do I convert Denier to Nm?
To convert Denier to Nm, use the formula: Nm = 9000 / Denier. For example, 100 Denier equals Nm 90 (9000 ÷ 100 = 90). Our converter performs this calculation instantly and accurately.
What does a higher Nm value mean?
A higher Nm value indicates a finer, thinner yarn because it represents more meters per gram. For example, Nm 100 yarn is much finer than Nm 20 yarn. In contrast, higher Tex or Denier values indicate thicker, heavier yarns, so these systems use inverse logic.
Can I use this converter for all fiber types?
Yes, the mathematical conversions work for all fiber types - cotton, wool, synthetic, silk, and blends. The converter translates between measurement units regardless of fiber content. However, remember that yarn properties like elasticity and appearance depend on fiber type, not just weight.