Business Days Calculator
Count the working days between two dates, or find the date that is a set number of working days after a start date. Weekends are never counted.
- Free
- Works offline after your first visit
- Saves on this device
- No sign-up
- Updated
How it works
The count starts the day after the first date and runs up to and including the second date. Weekend days are left out. Holidays you type in come off the count, but only the ones that fall on a weekday.
To add working days, the formula adds the number of working days and then two weekend days for each full week of working days it crosses.
Worked example
From 2026-03-02 to 2026-03-20 there are 13 working days, after taking off the holidays. Adding 10 working days to 2026-03-02 lands on 2026-03-16.
Questions
Are holidays skipped automatically?
No. Type how many holidays fall on weekdays in the range, and they come off the count. A holiday that lands on a weekend needs no entry.
Does the first date count?
No. The count starts the day after the first date and includes the second date. Add one if you want both ends counted.
Can the second date be earlier?
Yes. The count then shows as zero. Swap the two dates if you want the working days between them.
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