Business Days Calculator
Calculate the number of business days (working days) between two dates, excluding weekends and US public holidays.
When to Use
Use for project planning, contract deadlines, SLA calculations, and payment terms.
How to Use Business Days Calculator
- Set start and end dates.
- Check 'Exclude holidays' to skip US public holidays.
- See the business day count instantly.
- Use the second section to add or subtract business days from a date.
Examples
Project deadline
Input: Jan 1 to Jan 31, skip holidays
Output: 21 business days
Frequently Asked Questions
Which holidays are excluded?
US federal public holidays for 2025 and 2026 (New Year, MLK Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas, etc.).
Can I add business days to a date?
Yes — enter a start date and the number of business days to add (negative to subtract) and the result date is shown.