# GSM Calculation for Woven Fabric

### GSM Calculation for Woven Fabric:

GSM (Gram per square meter) is an important matter in textile sector. Higher GSM fabric is heavier and lower GSM fabric is lighter. A woven garments merchandiser must have to know the GSM calculation method to ensure the right GSM fabric that ordered by the buyer (though suppliers are regularly mentioned about the fabric GSM). To show the right method for GSM calculation, i have presented here an easy method for you, it will be very effective for all.

GSM Calculation for Woven Fabric

#### What is GSM?

GSM stands at Gram per square meter. It is the weight of fabric in one gram per square meter. It is the metric measurement of the weight of fabric. It’s unit is gm/m2.

#### What is Crimp Factor?

Crimp percentage or crimp factor is defined as the mean difference between the straightened thread length and the distance between the ends of the thread while in the cloth, expressed as a percentage.

#### Woven Fabric GSM Calculation Method:

During calculating woven fabric GSM from fabric construction, we have needed the following formula.

GSM (Gram per square meter),

#### Example:

Suppose,
A woven fabric construction is like that-

Now, calculate the fabric GSM.

#### Solution:

From the given fabric construction we can see that,

• Warp count- 50
• Weft count- 40
• EPI (Ends per inch) – 130
• PPI (Picks per inch) – 60
• Warp crimp factor- 1.2
• Weft crimp factor- 1.0

Now, by applying all the data in the required formula, we can easily find out the above woven fabric GSM.

GSM (Gram per square meter),

= (3.12 + 1.5) × 23.5
= 108.57

So, above woven fabric GSM is 108.57

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Written By-

Sangita Rawal
Consultant and Merchandising Manager
Mumbai, India
Email: sangitarawal96@yahoo.co.in

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#### Mayedul Islam

Mayedul Islam is working as a Sr. Merchandiser in a reputed Buying House. He has great passion in writing different articles on textile and Garments specially on Merchandising and Garment Washing. Send email:mayedul.islam66@gmail.com

#### Latest posts by Mayedul Islam (see all)

• Waqas

this is not valid method for calculating GSM of a fabric which is already stitched in garments form.

• Hafeez Ahmed

can you describe valid formul ?

• Narayanan Eroth

What is 23.5? How can it get? Please explain.

• Abdullah al wahid

Warp weight/sq.m=(130×1.0936×39.37×1.02×453.6)/(840×50)
Weft weight/sq.m=(60×1.0936×39.37×1.01×453.6)/(840×40)
From this formula above formula is derive. Here (1.0936×39.37×453.6)/840=23.25 and then it was taken Common.

• anjum hameed

Aoa I am instructed in gct Multan I think this is so informormative to me thanks.

GSM calculate is really so nice, It’s helpful for any merchandiser.

you are right

• ashwin

am ashwin kumar. in a Garment merchandiser . At tirupur india knitted garments to all over Gulf. in our buyer R&R.

This is the web more use our proviso.

Many thanks.

Ashwin kumar.

• Mayedul Islam

Thanks

• Dhiraj kumar

I am as a merchant in home textile export house. We deal in U.S ,U.K and European countries.
I need all information related woven and cotton fabric.

• Pitabasa Hota

• Ratul

23.5 ??????

• Abdullah al wahid

Warp weight/sq.m=(130×1.0936×39.37×1.02×453.6)/(840×50)
Weft weight/sq.m=(60×1.0936×39.37×1.01×453.6)/(840×40)
From this formula above formula is derived.
Here (1.0936×39.37×453.6)/840=23.25 and then it was taken Common.

• Neelakantan Subramanian

Regarding the costant 23.5. It is for plain weave. What about the constants for 2/1 twill, 3/1 twill, Broken Twill, Mocklino, 4/1 satin etc

• md.sohedul islam

this is a write process

• Ravi mishra

Nice

• Bhimsingh Sharma

What is crimp factor ?????

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• Mayedul Islam

Thanks. Stay with us.

• G10

Constant=(39.37*453.59*1.09/840)=23.17

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