Fast, browser-based calculation
The calculator performs the core calculation in your browser. No account is required. Date and time results are calculated locally for quick use.
Project Duration Calculator
Estimate project workdays and finish date from total work hours, daily capacity and working days.
10 workdays · Sep 15, 2026
80 work hours at 8 hours/day
Work days/week: 5
Start date: Sep 2, 2026
Final day: Sep 15, 2026
Planning calculations use the values you enter. They do not account for holidays, leave, interruptions or changing productivity unless those are explicitly represented by your inputs.
Use the result immediately
Use the result for planning, forms, schedules, projects and everyday calculations. For official deadlines, holidays, rates or destination-specific requirements, verify the authoritative source.
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