Office tool

PERT Chart Maker

Map dependent project activities, enter optimistic, likely, and pessimistic estimates, and calculate the critical path locally.

Calculate PERT plan

Add an item

ActivityOptimistic daysMost likely daysPessimistic daysDepends onActions

No items added yet.

Drag rows to reorder them, or use the move buttons.

Add the details you know. You can revise the result before exporting it.

Your entries and imported files are processed in your browser. Draft values are stored only in your browser until you clear the tool or site storage.

What this tool produces

Map dependent project activities, enter optimistic, likely, and pessimistic estimates, and calculate the critical path locally. The output stays editable through the form and can be copied, downloaded, or printed for review.

Review before sharing

Check names, dates, amounts, formulas, and policy assumptions against your source information. Browser-generated planning documents are working drafts and do not replace your organization's approval process.