PERT chart is a technique for scheduling a project based on individual tasks or activities whereas Gantt Chart is a bar chart that represents the tasks and activities of the project schedule.
Source: Satzinger, J., Jackson, R., Burd, S. "Systems Analysis and Design in a changing world" Fifth Edition, Cengage Learning, Boston.
The primary difference between Gantt and PERT charts is in information presentation. Gantt charts use bar charts and PERT charts use a network model to display information.
Henry Gantt was the person whom the Pert Chart was named after. He's the main person behind popularizing Gantt charts in the west in the turn of the twentieth century.
A Gantt chart represents activities as horizontal bars displayed beneath a time scale, with the name of the activity in a list on the left. Each bar shows when an activity will begin and end. Henry Gantt invented the charts that bear his name in 1910, creating them by hand using drawing tools and poster board. These days, Gantt charts are created using project management software, such as Microsoft Project or Open Workbench, based on a work breakdown structure and project schedule. Many modern software tools also represent dependencies among tasks, borrowed from the PERT chart.
The main advantage of the Gantt Charts is that visualizing your project schedule makes it very easy for the Project Manager to communicate the project schedule to various stakeholders as well as to the project team. The main disadvantage is that Gantt Charts are not well suited for conveying complex dependencies or projects having significant potential variability in completion dates. The PERT chart was devised in the 50's for the Polaris project in order to represent this key missing concept.
PERT is a chart used to organize schedules and manage tasks within a project. PERT is an acronym of Program Evaluation Review Technique.
Advantages of a PERT chart is that it's a great mean for visualizing and communicating progress on projects. They usually help the Project Manager to better manage the project.
The Gantt Chart, The PERT Chart
Although the terms are often used as synonyms they are not the same. A Gantt chart is a specific type of bar chart. Gantt did not invent the bar chart, the concept of bar charts pre-date Gantt's work by at least a century. The erroneous description of a bar chat as a Gantt chart and the belief that Gantt invented the bar chart probably results from the decision of Microsoft, in 1984/1985, to misname the bar chart view in its scheduling tool Microsoft Project as a Gantt chart. See 'Where did the Misuse of the names Gantt and PERT Originate?'. P Weaver. PM World Journal, Vol. II, Issue IV, (April 2013).
Henry Gantt was the person whom the Pert Chart was named after. He's the main person behind popularizing Gantt charts in the west in the turn of the twentieth century.
A PERT (Program Evaluation and Review Technique) chart is a graphic representation of a project schedule, showing the sequence of tasks, which tasks can be performed simultaneously, and the critical path of tasks that must be completed on time in order for the project to meet its completion deadline. A Gantt chart is another representation of a project schedule, but specifically uses a bar chart.
A Gantt chart represents activities as horizontal bars displayed beneath a time scale, with the name of the activity in a list on the left. Each bar shows when an activity will begin and end. Henry Gantt invented the charts that bear his name in 1910, creating them by hand using drawing tools and poster board. These days, Gantt charts are created using project management software, such as Microsoft Project or Open Workbench, based on a work breakdown structure and project schedule. Many modern software tools also represent dependencies among tasks, borrowed from the PERT chart.
Can't post images here to give you a decent example of the PERT chart, here's an article on the subject: http://www.pmhut.com/using-pert-analysis , the article also explains how to make a PERT chart in MS Project.
The main advantage of the Gantt Charts is that visualizing your project schedule makes it very easy for the Project Manager to communicate the project schedule to various stakeholders as well as to the project team. The main disadvantage is that Gantt Charts are not well suited for conveying complex dependencies or projects having significant potential variability in completion dates. The PERT chart was devised in the 50's for the Polaris project in order to represent this key missing concept.
A PERT chart is vital to planning because it helps people to plan certain functions of production. The chart will indicate some milestones before others.
PERT is a chart used to organize schedules and manage tasks within a project. PERT is an acronym of Program Evaluation Review Technique.
Advantages of a PERT chart is that it's a great mean for visualizing and communicating progress on projects. They usually help the Project Manager to better manage the project.
A PERT chart is mainly used for documenting data (visually) on projects. This data may include the expected time and actual time of a task. A main objective of the PERT chart is to easily help the Project Manager establish the Critical Path of a project.
PERT refers to program evaluation review technique. Is a chart used in project management to coordinate tasks associated with projects.