What Is the Rough Order of Magnitude (ROM) and How Is It Calculated?

During the project initiation phase (or when you are preparing for a project management exam) you will likely come across the term rough order of magnitude (ROM). The PMI’s Project Management Body of Knowledge refers to the rough order of magnitude as an initial estimate in the “estimate cost” process (source: PMBOK®, 6th edition, part … Continue reading What Is the Rough Order of Magnitude (ROM) and How Is It Calculated?