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How to Measure and Calculate GSM of Fabric: A Step-by-Step Guide

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To find the GSM (grams per square meter) of a fabric, you can follow these steps:


  1. Measure the Fabric's Weight:

Cut a sample piece of fabric with a known area, typically 10 cm x 10 cm (which is 100 cm²).

Weigh this sample accurately using a digital scale. Record the weight in grams.

  1. Calculate the Area of the Sample:

For a 10 cm x 10 cm sample, the area is 100 cm²

  1. Calculate GSM:

Use the formula

Since your sample is in cm², convert the area to m²

Therefore


  1. Example:

If the sample weighs 20 grams


Alternative Method:

 

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