Basic formula of fabric
consumption for woven:
Fabric Consumption Calculation for Woven Shirt
Normally,
a “woven long sleeve shirt” consists with the following parts-
- Body parts (Body Length + Chest width),
- Sleeve,
- Collar,
- Cuff,
- Collar Band,
- Pocket,
- Yoke.
· 1.
Fabric consumption for the Body Parts (Body + Chest):
Here,
we will apply the following formula (Per dozen),
=
{(Body Length from HSP + Allowance) × (1/2 Chest + Allowance) ×2×12} / (Fabric
Width × 36 × 2.54)
Clarification of formula:
**Why 36
Ans: To convert inch into yard. 36 inch=1yard
**Why 55
Ans: Fabric width 55 inch. It may vary.
Ans: To convert inch into yard. 36 inch=1yard
**Why 55
Ans: Fabric width 55 inch. It may vary.
**Why
2.54
Ans:
If Measurement is cm.
2.
Fabric consumption for the Sleeve:
Here,
we will apply the following formula (Per dozen),
=
{(Sleeve Length + Allowance) × (Arm hole straight + Allowance) × 2 ×2×12} /
(Fabric Width × 36 × 2.54)
3.
Fabric consumption for the Collar:
Here,
we will apply the following formula (Per dozen),
=
{(Collar Length + Allowance) × (Collar width + Allowance) ×2×12} / (Fabric
Width × 36 × 2.54)
4.
Fabric consumption for the Cuff:
Here,
we will apply the following formula (Per dozen),
=
{(Cuff Length + Allowance) × (Cuff width + Allowance) × 2 ×2×12} / (Fabric Width
× 36 × 2.54)
5.
Consumption for the Collar Band:
Here,
we will apply the following formula (Per dozen),
=
{(Collar Band Length + Allowance) × (Collar Band width + Allowance) ×2×12} /
(Fabric Width × 36 × 2.54)
6.
Consumption for the Pocket:
Here,
we will apply the following formula (Per dozen),
=
{(Pocket Length + Allowance) × (Pocket width + Allowance) ×2×12} / (Fabric
Width × 36 × 2.54)
7.
Consumption for the Yoke:
Here,
we will apply the following formula (Per dozen),
=
{(Yoke Length + Allowance) × (Yoke Height + Allowance) ×2×12} / (Fabric Width ×
36 × 2.54)
How to Calculate Garments Costing for Woven Bottom?
Before
starting of a woven bottom costing, a woven garments merchandiser should
confirm the following matters:
- Fabric Cost,
- Embroidery Cost,
- Printing Cost,
- Cost of Making (CM),
- Washing Cost,
- Accessories Cost,
- Commercial Cost,
- Others Cost.
1. Fabric consumption for the
Body Parts:
Here, we will apply the following
formula (Per dozen),
= (Body Length + Allowance × 1/2
Thigh width + Allowance × No. of Parts × 12) / (Fabric width × 36) (In yds.)
Note:
Body Length = [(Front Rise + Back Rise) / 2] + Inseam Length
2. Fabric consumption for the
Back Pocket (2pcs):
Here, we will apply the following
formula (Per dozen),
= (Back Pocket Length + Allowance
× Back Pocket width + Allowance × No. of Parts × No. of Pocket × 12) / (Fabric
width × 36) (In yds.)
3. Fabric consumption for the
Pocket Bag (2pcs):
Here, we will apply the following
formula (Per dozen),
= (Pocket Bag Length + Allowance
× Pocket Bag width + Allowance × No. of Parts × No. of Pocket × 12) / (Fabric
width × 36) (In yds.)
4. Fabric consumption for the
Belt Loop (5pcs):
Here, we will apply the following
formula (Per dozen),
= (Belt Loop Length + Allowance ×
Belt Loop width + Allowance × No. of Parts × No. of Belt Loop × 12) / (Fabric
width × 36) (In yds.)
Winding Calculation Formula in Weaving:
1. Required time,
= Quantity of yarn in lb to be wound / Number of drum / actual production in lbs per hour
Or,
= Amount of yarns in lbs × count of yarn / No. of drum / actual production in hank
Or,
= Amount of yarn in hank / No.
of drums / actual production in hank
2. Actual production in pounds,
3. Actual production per hour in pound,
= Actual production in hank / Yarn count
4. Actual production in hank,
= Calculated yards / 80 / Efficiency%
5. Calculation production per hour in yards,
= ∏× diameter × speed in RPM
Warping Calculation Formula in Weaving:
1. Required time in hour,
= Length of warp to be produced in yards / Actual
production per hour in yards
2. Beam count or count of warp,
= Length of yarn in yards on the beam / 840 / weight in
lbs
Or,
= No. of ends × length of warp in yards / 840 / weight
in lbs
3. No. of ends in the warp,
= Yarn count× weight in lbs / Warp length in hanks
Or,
= Yarn count × weight in lbs × 840 / Length of warp in
yds
4. Length of warp,
= Weight of warp in lbs× yarn count × 840 / No. of
ends …………………..... (Yds)
Or,
= Weight in lbs / No. of ends
Or,
Weight of warp in lb× count of yarn / No. of
ends ……………. (Hank)
5. Weight of warp in lbs,
Warp length in yds× no. of ends / Yarn count /
840
Or,
= Number of ends × length of warp in yds / Count of
yarn
6. Total length of yarn in the warp,
= Number of ends× length of
warp / 840
Sizing Calculation Formula in Weaving:
1. Total wt of size on warp,
= Wt of sized warp – wt of unsized warp
2. Total length of sized yarn,
= Total warp length × No. of ends
3. Weight of sized warp in lbs,
Length of warp in yds. × Number of ends / Count
/ 840
4. Weight (wt) of size to be put on warp,
= Size% required to be put on warp × Wt of unsized warp,
5. Count of sized yarn,
Warp length in yds × number of ends / Wt of
sized warp in lbs / 840
6. Count of sized yarn,
Count of unsized yarn × 100 / Size% + 100
7. Sizing efficiency,
= {Actual production/Calculated production) × 100%}
8. Size% on warp,
Wt of size
= ……………………………. × 100%
Wt of unsized warp
9. Weight of unsized warp in lbs,
Warp length in yards × No. of ends / Yarn count
/ 840
Loom Production Calculation Formula in Weaving:
1. Loom production per hour in meter,
2. Fabric weight,
= (warp weight+ weft weight)