Consumption Calculation of Fabric, Garment Trims and Accessories

Selim Reza
31 Oct, 2024

Calculating the consumption of fabric, garment trimmings, and accessories is essential for effective inventory management, cost estimation, and production planning in the garment industry. 


Consumption Calculation of Fabric, Garment Trims and Accessories in 2025


Below is a step-by-step guide on how to perform these calculations.

1. Fabric Consumption Calculation

Steps:

  1. Determine the Garment Style and Size:

    • Identify the specific style of the garment and the sizes you will produce (e.g., small, medium, large).

  2. Create a Bill of Materials (BOM):

    • List all the components required for the garment, including the main fabric, linings, interlinings, etc.

  3. Calculate Fabric Consumption:

    • Use the following formula to calculate fabric consumption per garment:

    Fabric Consumption (m²)=Total Pattern Area (m²)+Fabric WastageNumber of Garments\text{Fabric Consumption (m²)} = \frac{\text{Total Pattern Area (m²)} + \text{Fabric Wastage}}{\text{Number of Garments}}
    5. Fabric Consumption (m²)=Number of Garments Total Pattern Area (m²)+Fabric Wastage
    • Total Pattern Area: Sum of all pattern pieces needed for one garment, measured in square meters.
    • Fabric Wastage: Estimate the percentage of fabric that will be wasted during cutting (typically between 10-20%).
    • Number of Garments: The quantity of garments being produced.

Example:

  • Total pattern area = 2.5 m²
  • Fabric wastage = 15% (0.375 m²)
  • Number of garments = 100
Fabric Consumption per Garment=2.5 m2+0.375 m2100=2.875 m2100=0.02875 m2 per garment\text{Fabric Consumption per Garment} = \frac{2.5 \, \text{m}^2 + 0.375 \, \text{m}^2}{100} = \frac{2.875 \, \text{m}^2}{100} = 0.02875 \, \text{m}^2 \, \text{per garment}

2. Garment Trimmings Consumption Calculation

Steps:

  1. Identify Required Trimmings:

    • List all trimmings needed for the garment, such as zippers, buttons, labels, and thread.

  2. Determine Quantity for Each Trimming:

    • Estimate the quantity required for each garment. For instance:
      • Zippers: 1 per garment
      • Buttons: 4 per garment
      • Labels: 1 per garment

  3. Calculate Total Consumption:

    • Sum the quantities needed for the total number of garments:

    Total Trimmings Consumption=Quantity per Garment×Number of Garments\text{Total Trimmings Consumption} = \text{Quantity per Garment} \times \text{Number of Garments}
    5. Total Trimmings Consumption=Quantity per Garment× Number of Garments

Example:

  • Zippers: 1 per garment
  • Buttons: 4 per garment
  • Labels: 1 per garment
  • Number of garments = 100
Zippers Consumption=1×100=100 zippers\text{Zippers Consumption} = 1 \times 100 = 100 \, \text{zippers} Buttons Consumption=4×100=400 buttons\text{Buttons Consumption} = 4 \times 100 = 400 \, \text{buttons} Labels Consumption=1×100=100 labels\text{Labels Consumption} = 1 \times 100 = 100 \, \text{labels}

3. Accessories Consumption Calculation

Steps:

  1. Identify Required Accessories:

    • List all accessories needed for the garment, such as belts, bags, or embellishments.

  2. Determine Quantity for Each Accessory:

    • Similar to trimmings, estimate the quantity needed for each garment.

  3. Calculate Total Consumption:

    • Sum the quantities needed for the total number of garments:

    Total Accessories Consumption=Quantity per Garment×Number of Garments\text{Total Accessories Consumption} = \text{Quantity per Garment} \times \text{Number of Garments}
    5. Total Accessories Consumption=Quantity per Garment× Number of Garments

Example:

  • Belts: 1 per garment
  • Bags: 1 per garment (if included)
  • Number of garments = 100
Belts Consumption=1×100=100 belts
\text{Belts Consumption} = 1 \times 100 = 100 \, \text{belts} Bags Consumption=1×100=100 bags\text{Bags Consumption} = 1 \times 100 = 100 \, \text{bags}

Summary

  • Fabric Consumption: Calculated based on total pattern area, wastage percentage, and number of garments.
  • Garment Trimmings Consumption: Based on the quantity required per garment multiplied by the total number of garments.
  • Accessories Consumption: Similar calculation as trimmings, focusing on the accessories required for the garments.

Conclusion

By following these steps, you can effectively calculate the consumption of fabric, garment trimmings, and accessories, enabling better inventory management and cost estimation in garment production. Accurate calculations help in minimizing waste, optimizing costs, and ensuring that production meets demand efficiently.

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