This post will discuss how to calculate fabric shrinkage percentage by your own at home or in a factory. Step by step guide to calculating fabric shrinkage percentage is shown below.
Step 1: Prepare the wash test sample
Step 2: Measure before washing
Step 3: Wash the fabric sample
Step 4: Dry the sample after washing
Step 5: Measure after washing
Example: Let say, after washing measurement are as following
- Lengthwise measurement =95 cm
- Width wise measurement = 97 cm
Now calculate shrinkage percentage specimen fabric using the following formula
Fabric Shrinkage %= (Length before washing – length after washing)*100/Length before washing
Use data from the above example:
Fabric Shrinkage
Length wise= (100 – 95)/100 = 0.05 that is 5%
Width wise= (100 – 97)/100 = 0.03 that is 3%
Fabric Growth% Calculation
Fabric growth% = (Length after washing – length before washing)*100/Length before washing
If the fabric length increases after washing and the measurement after washing is 106 cm. Fabric growth percentage will be
= (106-100)/100 = 6%
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