Business Days Calculator

Count Monday-to-Friday business days between two dates while optionally excluding custom holiday dates.

Formula

Business days are Monday through Friday, excluding any holiday dates entered. The end date is included only when selected.

How to Use This Calculator

1. Choose the start and end dates.
2. Choose whether the end date should be included.
3. Optionally enter holiday dates in YYYY-MM-DD format.
4. Calculate business days, weekends, and excluded holidays.

Business and Office Uses

• Plan project deadlines.
• Count payroll or service days.
• Estimate office working days between dates.

Frequently Asked Questions

What does the Business Days Calculator calculate?

Count business days, calendar days, weekends, and optional holidays between two dates.

Is calculation data uploaded?

No. Inputs and results are calculated inside the browser. Saved field values use local browser storage and are not uploaded to OfficeCalculator.Net.