PERT charts illustrate dependencies Gantt charts do not

Project managers create PERT charts by drawing boxes or circles (“nodes”) representing events or milestones and connecting them via arrows, representing the tasks that must be completed between each milestone and the amount of time the team will have to complete each task. They represent the tasks and phases of a project with horizontal bars, each drawn to a length representing its estimated timeframe.Ī PERT chart, by contrast, can be drawn as a free-form diagram. Gantt charts are drawn as bar graphs along a timeline, as shown below. Gantt charts are bar graphs PERT charts are free-form But there are several significant differences between these two types of project management diagrams: 1.

PERT charts are similar to Gantt charts in that they offer a graphical view of a project’s tasks, schedule, and timelines. How Is a PERT Chart Different from a Gantt Chart? The name PERT is an acronym for Project (or Program) Evaluation and Review Technique. A PERT chart is a visual project management tool used to map out and track the tasks and timelines.

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