About The Business Days Calculator

The Business Days Calculator counts days between two dates with options for excluding weekends and treating the range as inclusive. It runs locally in your browser for quick schedule and deadline estimates.

How to Use Business Days Calculator Online

1. Select the start and end dates.
2. Choose whether to exclude weekends and whether the range should include both endpoints.
3. Click Count Business Days and copy the result from the output card.

Choosing Options Correctly

Weekend exclusion uses Saturday and Sunday only. The tool does not apply country-specific holidays, company shutdown days, or regional working calendars.

Common Use Cases

• When planning project timelines and need to determine working days.
• For calculating delivery times or deadlines that exclude weekends.
• When managing employee leave requests and calculating available business days.
• For financial calculations that require accurate business day counts.

Quick FAQ

Are my dates uploaded?
No. The calculation runs in the browser.

Can I use this tool for international business day calculations?
Only if the weekend and holiday settings match the country or organization you are modeling.

What happens if I enter incorrect dates?
Correct the start or end date and recalculate. Reversed ranges can change the interpretation.

Does it know company holidays automatically?
No. Add or exclude holidays according to the controls provided on the page.