Rough Order of Magnitude (ROM) Estimate and How to Calculate It (with example)
Rebel’s Guide to PM
MARCH 14, 2021
A rough order of magnitude estimate is used to give you a very high level view of potential project costs. Ideally, you’d be able to provide a definitive estimate, carefully created from loads of input from subject matter experts and plenty of research on past projects and their budgets. What is a ROM estimate used for?
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