How to use Business Days Calculator
- Choose a start date.
- Choose an end date.
- Optionally enter holiday dates to exclude.
- Review the inclusive business-day count and calendar span.
Operations / Available
Business Days Calculator
Count working days between dates without opening a spreadsheet.
Business Days Calculator counts Monday-through-Friday working days across a date range and lets you exclude a custom list of holiday dates. The calculation runs locally and makes its inclusive-date behavior explicit.
What this tool is for
Working-day and weekday date-range calculation
A free business days calculator for deadlines, project schedules, and service windows.
Useful for
- Calculate project working days.
- Check business-day service windows.
- Plan deadlines across weekends.
- Exclude organization-specific holidays.
What It Does
Operators, project managers, freelancers, and anyone planning deadlines or service windows.
Answer a common deadline question directly without spreadsheet formulas or calendar counting.
Features
- Inclusive weekday count
- Custom holiday exclusions
- Calendar-day span
- Forward or reverse date ranges
Intended Users
- Operators
- Project managers
- Freelancers
- Small teams
Pricing And Access
Free
Free local browser utility.
Entitlement model: Free (free).
Privacy And Storage
Runs locally in your browser
Dates are calculated in your browser and are not saved by Toolkit.
Version
1.0.0
Updated 2026-09-27
FAQ
Are the start and end dates included?
Yes. If they are weekdays and not listed as holidays, both dates are included.
Which weekend does the calculator use?
Saturday and Sunday are treated as weekend days.
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