Critical Path Calculator

Find the critical path, calculate earliest/latest start and finish times, and identify project duration.

📊 Critical Path Method (CPM):
Critical Path: Longest path through the project  •  Earliest Start (ES): Earliest a task can start  •  Latest Finish (LF): Latest a task can finish without delaying the project  •  Total Float: LF - EF or LS - ES
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Critical Path Analysis
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Step-by-Step Calculation

Detailed CPM analysis

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Task Schedule

Complete CPM calculation table

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Project Duration
days
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Critical Path
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Total Tasks
Status
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Formula Reference

CPM formulas

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Critical Path Tips

Managing your project schedule

📊 Project Management Disclaimer: Critical Path Method calculations are based on provided task durations and dependencies. Results are for educational purposes. Actual project schedules may vary.
Critical Path Calculator  •  CPM Analysis  •  For educational purposes