WIP is the exact product of throughput and flow time.

highlighted = computed this step

Multiply

Little's Law uses throughput times flow time.

WIP=throughput×flow time\text{WIP} = \text{throughput}\times\text{flow time}
Little's Law calculationThe table multiplies throughput by flow time.WIP calculationthroughputflow timeWIPbase12336

WIP

The WIP is 36 jobs.

12×3=3612\times3 = 36
Little's Law calculationThe table multiplies throughput by flow time.WIP calculationthroughputflow timeWIPbase12336