Free Business Day Calculator
Calculate the number of business days (Monday-Friday) between two dates, or find the end date after adding a specific number of business days to a start date. Useful for project planning, contract deadlines, shipping estimates, and HR processing times.
How to Use
- Choose Add Business Days to find a future date, or Count Business Days to measure between dates
- Select your dates and enter the number of days
- Click Calculate to see the result
What Counts as a Business Day?
Business days are Monday through Friday, excluding weekends (Saturday and Sunday). This calculator does not account for holidays, which vary by country and region.
Privacy
All calculations happen locally in your browser. No dates are transmitted.
Last reviewed: July 2026.