# Textile Calculation

## Relation between Finished GSM and Yarn Count of Various Fabrics

Relation between Finished GSM and Yarn Count of Various Fabrics
Rofiquzzaman Raju
Fabric Technologist,
B.J.Group, Mawna, Gazipur

Introduction:
GSM’ means ‘Gram per square meter’ that is the weight of fabric in gram per one square meter. It is one kind of specification of fabric. Count is the coarseness or fineness of yarn. There are important relation between yarn count and GSM in knitted fabric. In this article there are some relation are given for different fabrics.

Table-1: Relation between finished G.S.M. and yarn count of s/j and rib fabric

 Single  Jersey Rib Yarn count Finished G.S.M. Yarn count Finished G.S.M. 18 s 220-230 18 s 280-290 20 s 200-220 20 s 260-280 24 s 180-190 24 s 240-250 26 s 160-170 26 s 230-240 28 s 150-160 28 s 220-230 30 s 140-150 30 s 200-220 34 s 120-130 34 s 180-200
Table-2: Relation between finished G.S.M. and yarn count of knitted fabrics

 Interlock Lycra  S/J Yarn count Finished G.S.M. Yarn (Lycra) count Finished  G.S.M. 34 s 250-270 30 s +20D 190-200 36 s 230-250 34 s+20 D 180-190 38 s 200-210 38 s+20 D 160-170 40 s 190-200 40 s+20 D 150-160
Table-3: Relation between G.S.M. and yarn count of fleece fabric and double lacoste

 Fleece  Fabric (100% Cotton) Double  Lacoste Yarn count G.S.M. Yarn count G.S.M. 34s+34 s+10 s 260-270 22 s 240-260 30 s +34 s+10 s 280-290 24s 220-240 28 s+30 s+10 s 290-300 26 s 200-220 26 s+30 s+10 s 310-320 28 s 180-200 24 s +30 s+10 s 340-350 30 s 160-180