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Gantt Charting: Definition, Benefits, and How They’re Used

File Photo: Gantt Charting: Definition, Benefits, and How They're Used
File Photo: Gantt Charting: Definition, Benefits, and How They're Used File Photo: Gantt Charting: Definition, Benefits, and How They're Used

What’s a Gantt Chart?

A Gantt chart is a standard project scheduling diagram. As a bar chart, it shows the start and end dates of project aspects, including resources, planning, and dependencies. American mechanical engineer Henry Gantt (1861–1919) created the Gantt charts.

Understanding Gantt Charts

The Gantt chart is the most common project management chart. These charts aid in project planning and task sequencing. The chart often appears as a horizontal bar chart.

Different horizontal bars indicate the project timetable, including work sequences, duration, and start and end dates. The horizontal bar displays how much work remains.

The bar length reflects job completion time. The vertical axis shows project tasks.

A Gantt chart schedule manages and monitors project activities and resources. The graphic depicts the project chronology, including scheduled and accomplished tasks. The Gantt chart helps project managers communicate task status and completion rates, ensuring continuity. Conventionally, it unites engineering and project management communication.

Benefits of Gantt Charts

The graphic shows multitasking and waiting activities. It helps identify possible bottlenecks and jobs that are missing from the project timeline.

The graphic shows task slack time, noncritical activities that can be postponed, and critical activities that must be completed on time.

Gantt charts help manage projects of various sizes and sorts. These may include infrastructure such as dams, bridges, and roads. They may involve software development and other technologies. Use project management tools like Microsoft Visio, Project, SharePoint, Excel, or specialist software like Gantt or Matchware to construct Gantt charts.

Example of Gantt Chart

Company A will install new software on the computers of a prominent investment bank. Company A creates a Gantt chart to manage project components.

The project requires investigation, software selection, testing, and installation. These jobs show up as vertical lines on the Gantt chart. Project milestones include software selection.

Company A and the investment bank agreed on a 40-day project. Each assignment is dependent on the preceding one and takes ten days. Software testing in development and test environments is crucial.

The Gantt chart shows task start and finish dates, length, and milestones as horizontal bars. The horizontal bars show the proportion of accomplished tasks. The Gantt chart will help Company A plan its tasks to finish in 40 days.

Why are Gantt charts used?

Gantt charts show how far along an organization’s simultaneous tasks and projects are. Management plans and schedules such initiatives to optimize resource allocation and accomplish priority projects before less essential ones.

Who is Henry Gantt?

Social scientist and management consultant Henry Gantt studied mechanical engineering. He developed scientific management approaches to simplify and boost corporate and employee efficiency. In the 1910s, he invented the Gantt chart to help supervisors track employee progress and meet deadlines.

What are the Gantt chart components?

Gantt charts can vary in complexity and depth. Still, they always have three main components: activities or tasks on the y-axis, milestones or progress stages on the x-axis (either on the top or bottom), and horizontal progress bars showing how far each task is along.

Bottom Line

A Gantt chart shows a project’s timetable. This graphic illustrates project components’ start and conclusion dates, including resources and planning. Use a Gantt chart to coordinate project tasks.


  • Gantt charts help schedule, manage, and monitor project activities and resources.
  • It lists tasks and shows their progress bars.
  • Horizontal bars of varying lengths indicate the project timetable, including work sequences, duration, and start and end dates.
  • The most popular project management chart
  • Heavy industry projects, including dams, bridges, roads, software development, and product and service development, employ Gantt charts.

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