Sewing Thread Consumption Procedure | Thread Calculation for Garments Costing

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Sewing threads are basic element of making any kind of apparel so it it highly needed to calculate actual consumption for making any item. Today's market is very competitive so merchandiser's should give attention on thread consumption also. Sometimes merchandiser's ignore this issue with little importance but for sustainable business policy you have to maintain accuracy in all portions and ensure the least wastage as well.

There is a basic formula for doing this thing with less effort and time.In that formula you will get multiplying factors according to machine type and stitch class. To determine thread consumption you just need to multiply seam length with that factors. This way one can estimate total thread requirement for making a garment.

Thread consumption depends on following factors-

• Style of the garment
• Types of stitch used
• Stitch per inch (SPI)
• Garments size/measurements
• Seam thickness
• Thread tension
• Thread count

The standard formula belongs according to the below procedures...

• Find out stitches of various classes
• Measure the length of each type of stitch
• Measure the length of sewing thread/inch stitch
• Calculate total thread in length for each stitch
• Summarized the total thread for all stitches

Thread consumption ratios as per coats international:

Some basic consumptions are given below:

Item	Thread Consumption per body
Basic t-shirt	125 mtr
Basic polo shirt	180 mtr
Basic long sleeve shirt	150 mtr
Basic short sleeve woven shiirt	125 mtr
Basic shorts	350 mtr
Classic short	450 mtr
Basic long pants	350 mtr
Classic long pants	450 mtr
Basic short all	350 mtr
Basic overall	400 mtr
Padded coverall	450 mtr
Basic romper	200 mtr
Skirt	300 mtr
Panty	50 mtr
Brief	100 mtr
Brassier	150 mtr
Tank top	50 mtr
Denim 5pkt pant	400 mtr
Denim jacket	450 mtr
Twill jacket	450 mtr