Machine Wise Sewing Thread Consumption PER Inch
From this post you will get information regarding the sewing thread consumption depending on type of Machine :
Machine Name Classification Require thread/inch
Plain Machine, 1 Needle, 2.5"
Plain Machine 2 Needle 5"
Over lock 3 Thread 13.25"
Over lock 4 Thread 16.75"
Over lock 5 Thread 18.75"
Flat lock 3 Thread 16.75"
Flat lock 5 Thread 22.25"
Bar tack stitching 7" Generally P/Operation
Button hole stitching 7" Generally Per Hole
Button Attaching (2 hole) 3" Per button
Feed of the ARM 7" For one needle
Kanchai Stitching 7" For one needle
Back Tape Stitching 7" For one needle
After this you must include another 25% sewing thread before place the work order.