Neck rib item of T-shirt is different from main body. Buyer will provide neck rib GSM. 200-220 GSM 100% cotton 1×1 single jersey fabric usually used for neck rib. Now we will learn how to calculate neck rib consumption of a basic T-shirt. We need following item measurement to find out rib consumption:
- Neck Width (N.W) = 20 CM
- Front neck drop (F.N.D) = 8 CM
- Back neck drop (B.N.D) = 2 CM
There are two formula exist to find out neck rib. Let’s find out 1st formula to pick neck rib consumption of a T-shirt.
Calculation – 01: Formula in Centimeter:
Calculation – 02: Formula in Inch:
Now let’s find 2nd formula to get neck rib consumption of a T-shirt. 
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