# What is the average resource load factor?

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What do you mean by average resource load factor, and how is it used to determine project completion times? Is the average resource load factor a number that can be calculated by a formula? If yes, then what is this formula?

asked 8 years ago edited 8 years ago

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OK, I have made a lot of research to answer your question. The (average) resource load factor is not a standard project management term, and it was mentioned (in passing) in only couple of books. The average resource load factor can be calculated the following way:

ARLF = ARR / ARA

Where ARLF stands for Average Resource Load Factor, ARR stands for Average Resource Requirement, and ARA stands for Average Resource Availability.

For example, if during a six months period, a resource is allocated 80 hours/month on average, and is available for 200 hours/month on average, than the ARLF = 80/200 = 0.4, which means that the average load factor of the resource is 0.4 (in other words, the resource is allocated 40% of the time)
answered 7 years ago by (46,940 points)

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