How to Calculate Hourly and Daily Target When Line Works at 45% & 60% Efficiency?

Rajib Asked: Garment SMV=11.25, Number of Worker=25, Hour=10. What would be the hourly and daily production target at 45% & 60% line efficiency?

Calculating hourly and daily production target when line efficiency is 45%

The given garment SMV is 11.25 minutes.
First, calculate garment SMV @45% efficiency. You know, SMV will be higher than 11.25 when efficiency is less than 100%.
SMV @45% = 11.25/45% = 25 minutes

Hour Target is calculated using this formula= (Available minutes in an hour / Garment SMV)

In this case, 25 workers are involved in making the garment, so the total available minutes in an hour would be 25 x 60 minutes.
Therefore, the hourly production target of the line @45% efficiency will be =(25*60/25) = 60 pieces 
The production line works 10 hours a day. So, the daily production target will be 10*60 = 600 pieces

The calculation is shown in a table
Production  target calculation

Calculating hourly and daily production target when line efficiency is 60%

Garment SMV @60% efficiency = 11.25/60% = 18.75 minutes
@60% efficiency, hourly target will be = (25*60/18.75) = 80 pieces
Production target in 10 hours would be 800 pieces (80x10)

Also Read: How to calculate hourly production target?

Prasanta Sarkar

Prasanta Sarkar is a textile engineer and a postgraduate in fashion technology from NIFT, New Delhi, India. He has authored 6 books in the field of garment manufacturing technology, garment business setup, and industrial engineering. He loves writing how-to guide articles in the fashion industry niche. He has been working in the apparel manufacturing industry since 2006. 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. He is the founder and editor of the Online Clothing Study Blog.

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