Business Days Calculator
Calculate the number of business days (working days) between two dates, excluding weekends and optional holidays.
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Tool guide
Business Days Calculator: how it works
Practical information to understand the result and use this tool correctly.
About Business Days Calculator
Calculate the number of business days (working days) between two dates, excluding weekends and optional holidays.
The tool runs directly in the browser for immediate results.
How to use it
- 1Enter the values you want to calculate or process.
- 2The result updates instantly on the same page.
- 3Copy, share, or export the result if the tool allows it.
Frequently asked questions
- Do I need to sign up?
- No. The tool works without an account.
- Are my data uploaded?
- Compatible operations run locally in the browser.
- What are business days?
- Business days are weekdays (Monday to Friday) excluding weekends and any holidays you specify.
- How are holidays handled?
- Enter holiday dates one per line in YYYY-MM-DD format. They are excluded from the count.
- Is the end date inclusive?
- Yes, if the end date is a business day it is included in the count.