# Textile Calculation

## Different Fabric GSM and Their Required Yarn Count

Different Fabric GSM and Their Required Yarn Count
Rofiquzzaman Raju
Fabric Technologist,
B.J.Group, Mawna, Gazipur

Fabric GSM:
GSM means Gram per Square Meter. That means the weight of fabric in gram per one square meter. Which unit is (gm/m2). It is essential to know the weight of the fabric before manufacturing and after getting the finished fabric.

Yarn Count:
Count is a numerical value, which express the coarseness or fineness of yarn and also indicate the relationship between length and weight (the mass per unit length or the length per unit mass) of that yarn. It is very important to know yarn count specially in knitting.

There are given various fabric GSM and their required yarn count:

S/J without lycra:

 Fabric G.S.M Yarn Count 110 - 120 40 S  – 36 S 120 - 130 36 S  - 32 S 130 - 140 32 S  – 28 S 140 - 150 28 S 150 - 160 26 S 170 - 210 24 S
Rib without lycra:
 Fabric G.S.M Yarn Count 180 - 190 36 S  - 32 S 190 - 200 30 S 200 - 215 28 S 215 - 230 26 S 230 - 250 24 S 250 - 300 24 S
Interlock without lycra:
 Fabric G.S.M Yarn Count 200 - 220 34 S 220 - 230 32 S 230 - 250 30 S 250 - 300 26 S
40D Lycra Rib:
 Fabric G.S.M Yarn Count 230 - 240 32 S 240 - 250 30 S 250 - 280 26 S 280 - 300 24 S
Lacoste without lycra:
 Fabric G.S.M Yarn Count 180 - 190 30 S 190 - 210 28 S 210 - 230 26 S 230 – 250 26 S
40D Lycra S/J:
 Fabric G.S.M Yarn Count 180 - 190 34 S 190 - 210 32 S 210 - 220 30 S 220 – 240 28 S 240 - 250 26 S