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Difference between WBS and Project Plan

Difference between WBS and Project Plan

Developing a project plan is an important step in any project. There are many different tools and methods that can be used to create a project plan, but two of the most commonly used are the work breakdown structure (WBS) and the Gantt chart. While these two tools serve similar purposes, they are actually quite different. In this article, we will explore the differences between WBS and project plans, and explain why it is important to use both tools when planning a project.

What is WBS?

WBS stands for Work Breakdown Structure. It is a tool used by project managers to create a hierarchy of tasks needed to complete a project. By breaking down the work into smaller, more manageable pieces, the project manager can develop a clear plan of action and ensure that all team members understand their roles and responsibilities. The WBS can also be used to identify potential risks and issues at an early stage, allowing the project manager to address them before they cause problems. Ultimately, the WBS is an essential tool for ensuring that projects are completed on time and within budget.

What is Project Plan?

A Project Plan is a document that contains a Project Charter and a Work Breakdown Structure (WBS). The Project Charter is a document that defines the scope, objectives, and deliverables of a project. The Work Breakdown Structure is a tool that breaks down the work of a project into smaller, more manageable tasks. Together, these two documents provide a roadmap for how a project will be completed. A Project Plan can be created by anyone who is involved in the planning of a project, including the project manager, sponsor, and stakeholders. It should be updated as the project progresses and as new information becomes available.

Difference between WBS and Project Plan

WBS (Work Breakdown Structure) and Project Plan are two important tools used in project management. WBS is a tool used to decompose a project into smaller, more manageable parts. It is a hierarchical structure that shows the relationships between the different elements of the project. A project plan, on the other hand, is a document that outlines the tasks, resources, and schedule for a project. It is a detailed roadmap that guides the execution of the project. While WBS and project plans are both essential for successful project management, they serve different purposes. WBS is used to decompose the project into smaller parts, while the project plan is used to guide the execution of the project.


Although a WBS and project plan may seem similar, they are actually quite different. A WBS is used to develop the work needed to complete a project, while a project plan is a document that outlines how the work in the WBS will be completed.

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