How to Calculate Sewing Thread Consumption

Apparel Professionals often need find out thread consumption of various items like Shirt, Shorts, Tank tops, Pants and so on. Thread consumption means how much thread we need to stitch a product. To calculate thread consumption, we’ve to pay concentration on sewing machines, number of needles, fabric thickness & above all how much thread is used to stitch 1 inch by a machine. And you need consider minimum 10% wastage to find out thread consumption of a product. Information below shows you how much threads you need to stitch 1 inch of fabric. It differs fabric to fabric as on their GSM & construction. Besides you can stitch 10 inches of a fabric, then cut 1 inch stitch, measure the length of each thread, then find out total length of threads & finally add wastage minimum 10%. We know, it’s a long process. Better we can memorize information below & imagine wastage depending on fabric GSM. For fabric with high GSM, we’ve to increase wastage percentage. If we want to figure out thread consumption of a shirt, then firstly we’ve to separate the different stitching of that shirt. Look information below for how much thread you need to stitch one inch fabric by different sewing machines.

Single Needle Plain Machine needs 2.75 inches thread for per inch stitch

2 Needles Plain Machine = 5.5 inches for per inch stitch

3 Threads Over lock Machine = 15 inches thread for per inch stitch

4 Threads Over lock Machine = 19 inches thread for per inch stitch

5 Threads Over lock M/c = 23 inches for per inch stitch

Safety Stitch = 20 inches for per inch stitch

Flat lock Stitch = 32 inches for per inch stitch

2 Needle Kansai M/c = 12 inches for per inch stitch

1 Needle Chain Stitches = 5 inches for per inch stitch

Feed of the Arm M/c = 11 inches for per inch stitch

Button Hole = 24 inches for per inch stitch

Bar take M/c = 26 inches for per inch stitch

Button Stitch of 2 Eyes (holes) = 3 inches thread

Button Stitch of 4 Eyes (holes) = 6 inches thread

A shirt having 104 inches 4 Threads Over lock stitches, 52 inches Flat lock stitches, 20 inches 1 Needle Chain stitches, 15 inches Single Needle Plain Machine stitches, GSM is normal, find out its thread consumption in meters?

Answer: {(104 x 19) + (52 x 32) + (20 x 5) + (15 x 2.75) + 10%}/39.37 = 106.71 Meters. (39.37 inches = 1 Meter)

Suppose, we want to buy thread cones with 2000 meters thread, now find out how many cones do we need to stitch 3000 pcs of garments, per garment’s thread consumption 106.71 meters?

Answer: 106.71 x 3000 / 2000 = 160 cones.

You can also visit following website that will provide you excel files for calculating thread consumption of different apparel products.

http://www.amefird.com/technical-tools/thread-consumption/anecalc/

 

In conclusion, determining the thread consumption of various apparel products is an important task for apparel professionals. To calculate thread consumption, one needs to consider various factors such as the sewing machine, number of needles, fabric thickness, and how much thread is used to stitch one inch by a machine. Additionally, a minimum of 10% wastage needs to be considered to find out thread consumption of a product. The information provided above shows how much thread is needed to stitch one inch of fabric using different sewing machines. By using this information, one can easily calculate the thread consumption of a product. Finally, to simplify the process, there are websites that provide excel files for calculating thread consumption of different apparel products. Understanding thread consumption is crucial for managing the production process effectively and efficiently.