Queue Theory Calculator (Multi-Model)

Select a queueing model, enter parameters, and compute utilization, WIP, and wait times. Supports M/M/1, M/M/c, M/M/c/K, M/M/1 (finite), and M/G/1 with service variability.

Queue Model:

λ (arrival rate):

μ (service rate):

Multi-Stage Cumulative Flow Diagram (CFD)

Build a multi-stage CFD from pasted data or capacity assumptions. Use the sample to see a clean, textbook multi-stage flow.

Month #	Review	Design	Develop	Test