Business Days Calculator
Add or subtract working days from a start date to find a deadline, or count working days between two dates. Weekends (Saturday and Sunday) are excluded automatically.
Result date
Business days between dates
How to use
- Choose a mode: Add / subtract days to find a future or past date, or Count between dates to count working days in a range.
- In add mode, enter a start date and the number of business days. Use a negative number to go back in time.
- In count mode, enter start and end dates to see the total weekdays between them.
Frequently asked questions
- Is this calculator free?
- Yes, completely free with no signup and no usage limits.
- Does it upload any data?
- No. All calculations run in your browser — your dates never leave your device.
- Does it work on mobile?
- Yes. Works in Safari, Chrome, and Firefox on iOS and Android.