Practice Standard for Project Estimating - Second Edition

Project estimating plays a vital role in project management. Accurate estimation and refinement of the estimates leads to better and earlier decision-making, thus maximizing value.
The Practice Standard for Project Estimating – Second Edition focuses on providing models for the project management profession in both plan-driven and change-driven adaptive (agile) life cycles.
This practice standard describes the aspects of project estimating that are recognized as good practice on most projects most of the time and that are widely recognized and consistently applied.