Hoodie sweat shirt is one of the most common manufacturing item in the apparel industry. Normally, Hoodie sweat shirt is made from fleece fabric. It has higher GSM (Gram per square) comparable to the other’s knitted item and the price is also higher than other’s item. As we know, the fabric cost takes almost 50 % to 70% of total manufacturing cost of the garment.
Today we will see, calculation process for a hoodie sweatshirt with examples. By using cad marker, we can easily calculate the fabric consumption of an order. But as a garment Merchandiser, you should know the way to process of fabric consumption for knitted sweat shirt. For better understanding and calculation process, follow the below formula and example;
We already know the basic formula of fabric consumption. As a reminder, find the below formula of fabric consumption;
Formula - 01: In centimeter
(Body Length + Sleeve Length + Seam Allowance) x (½ Chest + Seam Allowance) x 2 x GSM / 10,000 x 1000 + 10% (Wastage and extra cutting) x Doz. + TF (Trim Fabric)
Formula - 02: In Inch
(Body Length + Sleeve Length + Seam Allowance) x (½ Chest + Seam Allowance) x 2 x GSM / 1550 x1000 + 10% (Wastage and extra cutting) x Doz. + TF (Trim Fabric)
To measure the fabric consumption of Hoodie sweat shirt, we will calculate fabric consumption by using one of the above formulas. For calculating fabric consumption of a garment, as first you need to find out below information;
- Fabric GSM of the garment
- Garment measurement sheet
- Cutting and sewing allowance
We will calculate fabric consumption by separately for better understanding;
- Fabric consumption for body
- Fabric consumption for hood
- Fabric consumption for RIB
- Fabric consumption for pocket
Suppose, the knitted fleece sweatshirt has been following information. Now we will estimate the fabric consumption based on below information measurement;
Item: Knitted fleece fabric, garment components are front, back, hoodie and long sleeves. Fabric GSM (Gram per square) is 260.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Body Length (BL) | 56 cm | = 56 + 3 = 59 cm |
| Sleeve Length (SL) | 51.4 cm | = 51.4 + 3 = 54.3 cm |
| ½ Chest | 41.5 cm | = 41.5 + 3 = 44.5 cm |
As per above measurement of this style, the body fabric consumption is;
= (BL + SL) x ½ Chest x 2 x GSM / 10,000 x 1000 + 10% Wastage x Doz.
= (59+54.3) x 44.5 x 2 x 260 / 10,000 x 1000 + 10% x 12
= 3.460 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Hood Height | 30.7 cm | = 30.7 + 4 = 34.7 cm |
| ½ Hood Width | 23 cm | = 23 + 4 = 27 cm |
As per above measurement of this style, the fabric consumption of hood is;
= Hood Height x ½ Hood Width x 2 x GSM / 10,000 x 1000 + 10% Wastage x Doz.
= 34.7 x 27 x 2 x 260 / 10,000 x 1000 + 10% x 12
= 0.6431 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| ½Bottom Rib Length | 36.6 cm | = 36.6 + 3 = 39.6 cm |
| Cuff Length | 15.6 cm | = 15.6 + 4 = 19.6 cm |
| Bottom Rib Width | 6 cm | = 6 + 4 = 10 cm |
- RIB GSM is 340
As per above measurement of this style, the fabric consumption of RIB is;
= (½ Bottom RIB length + Cuff Length) x Bottom Rib Width x 2 x GSM / 10,000 x 1000 + 10% Wastage x Doz.
= (39.6 + 19.6) x 10 x 2 x 340 / 10,000 x 1000 + 10% x 12
= 0.531 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Pocket Length | 18 cm | = 18 + 4 = 22 cm |
| Pocket Width | 28 cm | = 28 + 4 = 32 cm |
As per above measurement of this style, the fabric consumption of Pocket is;
= Pocket Length x Pocket Width x 2 x GSM / 10,000 x 1000 + 10% Wastage x Doz.
= 22 x 32 x 2 x 260 / 10,000 x 1000 + 10% x 12
= 0.483 kg / Doz.
Note: We calculated pocket fabric consumption based shell fabric. If you want to use single jersey inside pocket, then you have to calculate the fabric consumption for single jersey. The formula is same as like example, you need to change GSM and other information as per requirement.
So, as per above consumption of this style, total fabric consumption for hoodie sweatshirt is;
Body fabric consumption + Hood fabric consumption + RIB fabric consumption + Pocket fabric consumption
= 3.460 + 0.6431 + 0.531 + 0.483 kg / Doz.
= 5.1171 kg / Doz.
We need total 5.1171 kg per Doz. to complete garment of Hoodie sweat shirt.
Formula - 02: If garment measurement uses in Inch
Item: Knitted fleece fabric, garment components are front, back, hoodie and long sleeves. Fabric GSM (Gram per square) is 260.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Body Length (BL) | 22.05 inch | = 22.05 + 2 = 24.05 inch |
| Sleeve Length (SL) | 20.24 inch | = 20.24 + 2 = 22.24 inch |
| ½ Chest | 16.30 inch | = 16.30 + 2 = 18.30 inch |
As per above measurement of this style, the body fabric consumption is;
= (BL + SL) x ½ Chest x 2 x GSM / 1550 x 1000 + 10% Wastage x Doz.
= (24.05 + 22.24) x 18.30 x 2 x 260 / 1550 x 1000 + 10% x 12
= 3.75 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Hood Height | 12.09 inch | = 12.09 + 2 = 14.09 inch |
| ½ Hood Width | 9.06 inch | = 9.06 + 2 = 11.06 inch |
As per above measurement of this style, the fabric consumption of hood is;
= Hood Height x ½ Hood Width x 2 x GSM / 1550 x 1000 + 10% Wastage x Doz.
= 12.09 x 9.06 x 2 x 260 / 1550 x 1000 + 10% x 12
= 0.4851 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| ½Bottom Rib Length | 14.41 inch | = 14.41 + 2 = 16.41 inch |
| Cuff Length | 6.142 inch | = 6.142 + 2 = 8.142 inch |
| Bottom Rib Width | 2.36 inch | = 2.36 + 2 = 4.36 inch |
- RIB GSM is 340
= (½ Bottom RIB length + Cuff Length) x Bottom Rib Width x 2 x GSM / 1550 x 1000 + 10% Wastage x Doz.
= (16.41 + 8.142) x 4.36 x 2 x 340 / 1550 x 1000 + 10% x 12
= 0.619 kg / Doz.
| Measurement | Without allowance | With allowance |
|---|---|---|
| Pocket Length | 7.09 inch | = 7.09 + 2 = 9.09 inch |
| Pocket Width | 11.024 inch | = 11.024 + 2 = 13.024 inch |
As per above measurement of this style, the fabric consumption of Pocket is;
= Pocket Length x Pocket Width x 2 x GSM / 1550 x 1000 + 10% Wastage x Doz.
= 7.09 x 11.024 x 2 x 260 /1550 x 1000 + 10% x 12
= 0.3461 kg / Doz.
So, as per above consumption of this style, total fabric consumption for hoodie sweatshirt is;
Body fabric consumption + Hood fabric consumption + RIB fabric consumption + Pocket fabric consumption
= 3.75 + 0.4851 + 0.619 + 0.3461 kg / Doz.
= 5.2 kg / Doz.
We need total 5.2 kg per Doz. to complete garment of Hoodie sweat shirt.
If you want to know more about knitting fabric consumption, you can see the below link; knitted single jersey & heavy jersey / pique fabric consumption;
If you don’t have CAD system, then you can use above one of the formula to calculate the fabric consumption of a garment product. If you have CAD system, then you can use cad system for faster fabric consumption for a style. CAS marker looks like - Sample cad Marker.
For your kind information, we used above formula to estimate only fabric weight that is consumed by a garment. We didn’t include any fabric process loss, marker process, dying process loss with the above example. So, you have to consider all of these parameters before going to purchase fabric from the fabric manufacturing mill.
