# Project
Project management in ERPNext is Task driven. You can create Project and assign multiple Tasks against it.
You can also track % Completion of a Project using different methods.
1. Task Completion
2. Task Progress
3. Task Weight
Some examples of how the % Completion is calculated based on Tasks.
### Managing tasks
Project can be divided into multiple Tasks.
Task can be created via Project document itself or can be created via [Task](/docs/user/manual/en/projects/tasks.html)
* To view Task made against a Project click on 'Tasks'
* You can also view the Tasks from the Project document itself
* To add Weights to Tasks you can follow the below steps
### Managing time
ERPNext uses [Time Log](/docs/user/manual/en/projects/time-log.html) to track the progress of a Project.
You can create Time Logs against each task.
The Actual Start and End Time along with the costing shall then be updated based on the Time Log.
* To view Time Log made against a Project click on 'Time Logs'
* You can also create a Time Log directlly and link it to the Project.
### Managing expenses
You can book [Expense Claim](/docs/user/manual/en/human-resources/expense-claim.html) against a project task.
The system shall update the total amount from expense claims in the project costing section.
* To view Expense Claims made against a Project click on 'Expense Claims'
* You can also create a Expense Claims directlly and link it to the Project.
* Total amount of Expense Claims booked against a project is shown under 'Total Expense Claim' in the Project Costing Section
### Cost Center
You can make a [Cost Center](/docs/user/manual/en/accounts/setup/cost-center.html) against a Project or use an existing cost center to track all expenses made against that project.
###Project Costing
The Project Costing section helps you track the time, expenses and purchases incurred against the project.
* The Total Cost is composed of the costing amount from timesheets, the total cost from expense claims and the total cost from purchase invoices created against this project.
* The Gross Margin is the difference between Total Billed Amount and the Total Cost Amount for this project.
###Billing
You can make/link a [Sales Order](/docs/user/manual/en/selling/sales-order.html) against a project. Once linked you can use the standard sales module to bill your customer against the Project.
###Gantt Chart
A Gantt Chart illustrates a project schedule.
ERPNext gives you a illustrated view of tasks scheduled against that project in Gantt Chart View.
* To view gantt chart against a project, go to that project and click on 'Gantt Chart'
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