Translating project timelines from calendar time (e.g., three months) to estimated effort (e.g., 400 person-hours) provides a more accurate basis for resource allocation and project management. For example, a project slated for three calendar months might require 400 person-hours of effort, which could be completed by one person working full-time for approximately five months, or by two people working full-time for roughly two and a half months. This distinction clarifies the actual workload independent of the desired timeframe.
This process offers several advantages. It facilitates more realistic project planning by accounting for factors like team size, individual skill levels, and potential delays. By focusing on effort, project managers can better predict resource needs, optimize team composition, and monitor progress more effectively. Historically, relying solely on calendar time often led to inaccurate estimations and resource allocation issues, highlighting the need for a more robust approach. Focusing on effort, rather than simply calendar duration, aligns with modern project management methodologies that prioritize efficient resource utilization.
