Gantt Chart: What Is & What Is It For

Gantt Chart: What Is & What Is It For

A captain needs a map or certain things to know where they are, how many days are left in order to reach a specific place… A Gantt chart can work as a map to the project managers, through the visual representation of the project plan we can have a clear vision of the overall project which can help us to track and control the progress, identify any risk that may arise, deadlines… A Gantt chart can guide the project managers as the light of a lighthouse guides boats,  allowing them to have a clear vision of the way.  

What is a Gantt Chart?

A Gantt chart is a well-known project management tool that offers a visual representation of a project plan. It was developed decades ago as a way to monitor the progress of the projects.

A Gantt chart represents the duration of a project with a horizontal timeline. The representation is broken down into days, weeks or months. Each task or activity is represented by a horizontal bar which stretches, based on the duration of each specific task.

The Gantt chart includes details in each task such as milestones, and the start and end dates of each task. Having this visual representation can help project managers and every team member to better understand the project timeline, identify any potential issues, or risks, assign and allocate resources effectively.

Components of a Gantt chart

The components of a Gantt charts are...

The list: This consists of gathering all the tasks involved in the project and  it is usually listed according to its importance.

Timeline: The timeline represents the duration of the project, broken down into time intervals.

Bars: Horizontal bars that depict the duration of each task. The length of each bar represents the esteemed time that each task requires. 

Dependencies: Here we can use lines or even arrows in order to connect tasks between them showing the dependencies effectively.

Milestones:  Relevant events or deadlines are represented by vertical lines or diamonds in the Gantt chart. We can include here the beginning and end dates, or key decision points. 

Progress indicators: A visual representation used to show how much of each activity has been done or completed. This can be shown with a shaded portion of the bar. 

If we use all these components, the Gantt chart will provide a clear way to track and control the progress of a single project and identify any possible problem or risks. 

Advantages of a Gantt chart

There are many good reasons to start using a Gantt chart for project management:

Visual representation: A well-done Gantt chart provides a specific visual representation of the project schedule that will offer a clear vision making it easier for each team member to understand the timeline and dependencies between the tasks.

Task organization: Breaking down a project into specific individual tasks and assigning it a specific timeline, and team members, can help ensure that everyone has a clear understanding on what is their responsibility and work effectively.

Resource allocation: Gantt is used also to control and manage the resources, such as the equipment, people, and assign each resource to specific tasks. 

Time management:  By having the visual representation, you can picture what the project schedule looks like. Gantt charts help project managers identify any possible delays and adjust anything to the timeline.

Communication: Gantt charts can also be used to communicate the progress to the team members, stakeholders, clients, and ensure every single one has a clear understanding and is deeply informed and aligned with the task's development. Meet the type of communication styles existing.

The use of a Gantt chart helps teams to increase productivity, efficiency, reduce any risks , misinformation, and improve communication enormously, promoting the collaboration among the team members.

Disadvantages of Gantt charts

There are some potential disadvantages that we might consider:

Complexity: Gantt charts can  become complex to manage if the project is a big one and involves a large number of tasks, and many dependencies.

Lack of flexibility: Gantt charts are designed to track and control the project progress in a linear way, which can turn out to be difficult to manage if the process is too complicated. 

Time-consuming: Creating and keeping updated a Gantt Chart can be a tiring thing to do and time-consuming.

Overemphasis on timeline: The main focus is on the timeline and scheduling rather than achieving the project's goals.

Limited collaboration: This project management tool is not the best one for fostering collaboration and teamwork among the  team members, there are other project management tools that can be more effective.

Even Though are some disadvantages, Gantt charts remain a valuable tool among the project managers because if it is used effectively with the right approach and in the right circumstances, it can be a really helpful tool in terms of productivity and efficiency. 

How to create a Gantt chart Step by Step

Here are some steps to a create a Gantt chart:

Step 1: Define your tasks. First of all, we will start by creating a list of all the tasks that need to be done and listing them in order of importance. 

Step 2: Determine the task dependencies between them. We need to be clear on which one needs to be completed before completing another task.

Step 3: Estimate the duration of each task.  We need to answer the question.. How long will each task take to be completed? This will help you determine the starting and ending dates of the tasks.

Step 4: Create a timeline.  When we know the overall duration of the project, we will need to add to the Gantt chart.

Step 5: Add milestones. Identify any important and relevant events on the project, and add them to your Gantt chart using vertical lines or diamonds.

Step 6: Review and refine. Review your Gantt chart to ensure that the tasks and dependencies are accurately assigned and represented. Check the chart and change anything to ensure that it reflects perfectly the project schedule. 

Step 7: Once you´ve finished your creation, share it with your project team, clients, stakeholders and keep everyone on the same page and aligned with the tasks and responsibilities.

A Gantt Chart can help streamline the process and work effectively towards your goals. Any adjustments, any external factor that may impact on the progress of your project, can be reflected on your Gantt Chart, and it can be updated as changes occur.

How to use them on a daily basis

Monitor progress: Use the Gantt chart to monitor and track the progress on the project tasks and ensure that each team member is meeting the deadlines. This will help you identify any possible delay and take action to keep the project on track.

Adjust timelines: As the project progresses we can adjust the timeline on the chart to reflect any possible change. This will help you keep the project updated and on schedule and ensure the team is able to meet the project goals and objectives. 

Communicate with stakeholders: Sharing the Gantt chart with the stakeholders is the best and most effective way to keep them completely informed about the task and project progress and timelines. 

Collaborate with team members: The Gantt chart can improve the collaboration  among the team members and assign tasks according to their responsibility.  

Identify risks: As we map out the whole project and we have an overall view, we can identify clearer any potential risks and take action better and sooner to develop a contingency plan. 

Prioritize tasks: As you have an overall view of the tasks and dependencies between them, you are able to see which ones are completed, and which one is next. 

Using Gantt charts on a daily basis is truly an amazing way to stay organized, manage your time effectively and ensure that your project is on track.


Project managers deal with a lot of problems during the management of a project, and of a team. For that reason, staying organized and having a clear vision of your goals is the main goal of anyone and sometimes is the hardest. Gantt chart is an effective way of having those two things in one.You can also use some tool for create step by step guide usually work by creating some kind of step by step guide template .In case you don't want to use a tool that automates the work, you should learn how to write a how to guide.

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