Both Gantt chart and Pert chart are used as project management tools to help in displaying the tasks for project completion. What are the differences between them?
A Gantt chart is a graphical depiction for planning and scheduling projects. It breaks a project into smaller pieces of tasks with each of these spread out over time. With it, you can see task dependencies, scheduling constraints, duration of each task and percent complete.
In a Gantt Chart, each activity is represented by a bar; the position and length of the bar reflects the start date, duration and end date of the activity. The milestone is represented by a triangle, and the relationship is always shown with an arrow.
See 10 Best Practices of Gantt Chart
PERT stands for Program Evaluation Review Technique. It was introduced by the United States Navy in the 1950s. Pert chart is also a project management tool used to plan tasks within a project – making it easier to schedule and coordinate team members accomplishing the work. Pert chart was initially developed to simplify the planning and scheduling of large and complex projects.
Pert chart looks like a flowchart. It uses boxes and arrows to show the subtasks and their dependencies.
Key Differences Between Gantt Chart and Pert Chart
Represented with Bar Chart
Represented with Flowchart (or Network Diagram)
Used for Small Projects
Used for Large and Complex Projects
Provide Accurate Time Duration and Percent Complete
Need to Predict the Time
Cannot Display Interconnecting Tasks that Depend on Each Other
Has Numerous Interconnecting Networks of Independent Tasks
Project Chart Software for both Gantt Chart and Pert Chart
Edraw project chart maker provides templates for both Gantt Chart and Pert Chart. It has even more project management charts such as WBS diagram, timeline, etc. Download it now and create project charts with its vast collection of templates and examples.
Download Edraw to create both Gantt chart and Pert chart through templates:
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