How Many Days a Factory Needs to Make 5,000 Polo Shirts?

To find the answer to the above questions you must have the following
information

  1. SAM of the Polo Shirt (i.e. 16 minutes)
  2. How many machines will be used to make the order (i.e. 20
    machines)
  3. Daily working hours (i.e. 8 hours)
  4. Line efficiency (i.e. 100%)

To make 5000 polo shirts-
Capacity required = 5000 X 16 minute = 80,000 minutes = 1333
Hours
Available Capacity/Day = 20 X 8 hours = 160 Hours
Assume that line works at 100% efficiency.
So, the Days required (theoretical) to produce 5000 polo shirts
= 1333 / 160 = 8.3 days (9 days)
If factory run at 50% efficiency then = 9 X100%/50% = 18
days
For planning add one more day as in practical one day will
be lost for loading and line setting.

If your production is calculated at 50% efficiency then you need 19 days to complete the above order.

For further accuracy, you can use Learning Curve to calculate day-by-day production increment up to pick production.

Prasanta Sarkar

Prasanta Sarkar is a textile engineer and a postgraduate in fashion technology from NIFT, New Delhi, India. He loves writing how-to guide articles in the fashion industry niche. He has visited garment factories in many countries and implemented process improvement projects in numerous garment units in different continents including Asia, Europe, and South Africa.

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