Formulas for the Determination of Yarn Count

Last updated on August 5th, 2023 at 11:48 pm

The system by which we determine the yarn number is called count. Count is the number of yarn denoting the sophistication or obesity of yarn. So by linear density or the yarn count, we can know how fine or course the yarn is. It indicates the mass per unit length or length per unit mass of yarn.

Yarn Count
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Yarn Count Formulas

Yarn Count
From the above formula, the count in different indirect systems is as follows –     
Count Formula
Count System
From the above formula, the count in different direct systems is as follows –
Count

Conversion of count from one count to another

Count Conversion

Resultant count of yarn (For same count of yarn)

Resultant count of indirect system = Count of single yarn/No. of doubling or ply

Resultant count of direct system = Count of single yarn X No. of doubling or ply

Resultant count of yarn (For different count of yarn)

Resultant count of indirect system = 1/Sum of the weight of folded yarn’s length unit

Resultant count of direct system = Sum of the weight of folded yarn’s length unit

Mathematical problems and solution of yarn count

1. Find out the cotton count if weight of 8400 yds yarn is 1 lb.
Count Solutions
2. If 120 yds cotton yarn having 25 grain weight then what will be the count?
Count Solutions
3. If 1000m Nylon yarn having 1.67gm weight then what will be the Denier?
Count Solutions
4. Find out the metric count if weight of the 400m yarn is 40gm.
Count Solution
5. Find out the worsted count if the weight of 80 yds is 50 grain.
Count Solutions

6. A trading corporation provides you a 24.3 Ne yarn, Find out the Tex and denier of that yarn.

Count Solution
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He is Abu Sayed, the founder of the blog site Textile Apex. He is a Textile Engineer having eight years plus practical experience in the Textile and Clothing industries. With a deep love for fashion and a keen eye for detail, he combines his creative flair with extensive knowledge to offer insightful and engaging content to his readers.
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19 thoughts on “Formulas for the Determination of Yarn Count

  1. A good consolidate information. nice to know.
    Can you please share the process how to find out the yarn count and type of 280GSM 80/20 CVC? both for blended and polyester in the binder.

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