MCT Mapping Tool (Software)

In partnership with industry, the QRM Center has developed Manufacturing Critical-path Time (MCT), a precise QRM metric for lead time designed to capture how order processing, manufacturing, raw material procurement and shipping are linked while fulfilling customer orders. Our Microsoft Excel-based tool provides QRM practicioners a quick and simple way to measure MCT, create MCT maps, and discover improvement opportunities.


In using the tool, please consider that it is still under development. Since we have limited resources at our Center, we can currently only provide support to QRM Center members. This tool is only compatible with  the English language version of Microsoft Excel. However, if you have questions or comments, please send us an email to This email address is being protected from spambots. You need JavaScript enabled to view it..


The tool creates MCT maps (see below), giving you a simple and visual way to spot "white space" in your operations. A Powerpoint tutorial with step-by-step instructions is included. Please browse our other publications for more information about the MCT metric.

mct map

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