Use this free business days calculator to count working days, Mondays to Fridays, between two dates.
How to use this business days calculator
Select a start date and an end date, then press Count Business Days. The result counts Mondays to Fridays as business days and Saturdays and Sundays as weekend days, including both the start and end dates.
Common uses
Estimate delivery windows, project timelines, leave balances, and processing times that are quoted in business days.
Example
From Monday 6 January 2025 to Friday 10 January 2025 is 5 business days.
Frequently asked questions
Are public holidays excluded?
No. Holidays differ by country, so this calculator counts weekdays only. Subtract your local holidays from the result if needed.
Are the start and end dates included?
Yes, both dates are included in the count.