Project Critical Path Calculator
Enter the task duration and pre-reliance, and calculate the shortest duration, earliest and latest time and total time difference of the project.
Project Critical Path Calculator User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- A task for 3 days, then carry out B and C in parallel, and finally converge to the D task.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Check dependencies with a topological sort, calculate earliest starts in a forward pass, then latest starts and critical tasks in a backward pass.
scope of use
Up to 200 tasks, the construction period is 0 to 100,000 and up to 6 decimal places; unified time unit, does not include resources, working days or early start relationship.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Up to 200 tasks, the construction period is 0 to 100,000 and up to 6 decimal places; unified time unit, does not include resources, working days or early start relationship. Please compare the input unit, rounding method, applicable rules and data version first.