About Working Days Calculator
Accurately compute billable workdays, project sprint windows, and payroll periods between any two calendar dates.
Calculation Methodology & Formula
Iterates across each calendar day in the range, filtering out user-specified weekend days (e.g. Saturday and Sunday or Friday and Saturday) and custom statutory holiday dates.
How to Use This Calculator
- Select the Start Date and End Date.
- Select which weekdays constitute your standard workweek (defaults to Mon-Fri).
- Optionally add specific holiday dates to exclude (one per line).
- Choose whether start and end dates are included in the tally.
- Click "Calculate Working Days".
Frequently Asked Questions
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Calculate the exact elapsed time between two dates in calendar years, months, days, and total days.
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Count total weekend days (Saturday & Sunday or custom weekend) within any date range.
Open Tool →