# 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.

**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

**You may also like:**

**How to Calculate Fabric GSM with GSM Cutter
**

**GSM Calculation Method Without Using GSM Cutter**

**Sangita Rawal**

Consultant and Merchandising Manager

Mumbai, India

Email: sangitarawal96@yahoo.co.in

#### Mayedul Islam

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

can you describe valid formul ?

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

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.

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

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.

Thanks

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.

Please tell me about its derivation.. Otherwise its very helpful

23.5 ??????

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.

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

this is a write process

Nice

What is crimp factor ?????

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