The garments manufactured in many sizes to fit for everybody. Generally they are in sizes Small (S), Medium (M), Large (L), Extra large (XL) and Double Extra Large (XXL). The quantity ratio or assortment can be any one of the following approximate ratio.
S: M: L: XL: XXL - 1:2:2:2:1
S: M: L: XL: XXL - 1:2:1:2:1
S: M: L: XL: XXL - 1:2:3:2:2
As the price is the same for all these sizes of garments, the author have taken the centre size large(L) for average calculation. Generally, the quantity of L size will be higher or equal to the quantity of each of other sizes.
Men's Basic T-shirt
Description: Men's Basic T-shirt-short sleeves- 100% Cotton 140 GSM Single jersey - 1 x 1 ribs at neck - solid dyed - light, medium and dark colours in equal ratio.
Sizes: S, M, L, XL, XXL Ratio: 1: 2: 2: 2: 1
Export carton: 7 ply -120 GSM virgin corrugated - sea worthy. Cartons are to be strapped with 2 nylon straps.
Size: L
Chest - 60 cm
Length - 78 cm
Sleeve length - 24 cm
Neck rib width - 3 cm Hem - 3 cm
Patterns are generally made with the seam allowance and cutting allowance. Generally, 12 cm is added with the total of body length and sleeve length.
That is,
Fabric consumption =(Body length + Sleeve length + allowance) * (Chest + allowance) * 2 * GSM
10000
= (70 + 24 + 12) * (60 + 3) * 2 * 140
10000
= 187 grams
Body & Sleeves : 187 grams
Neck rib : 10 grams (approximately)
Gross weight : 197 grams Therefore, the fabric consumption per garment is 197 grams.
Gross weight & net weight
The above weight is the gross weight of fabric. It means the weight of the fabric bits cut in tubular form without taking shapes is called gross weight. This is the consumed fabric for the particular garment. Hence costing is to be made as per this gross weight. The weight of the cut pieces after taking the shape according to the pattern is called net weight of fabric.
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