Business Days Calculator

Working days between two dates, or a deadline N business days from now.

Weekend days

Runs in your browser. Nothing you enter is sent or stored.

How to use Business Days Calculator

  1. Choose whether to count days between two dates or add days to a date.
  2. Pick your weekend days and paste any holidays, one date per line.
  3. Read the result and the breakdown.

Frequently asked questions

Are the start and end dates included?

When counting between dates, both are included if they're working days. When adding, the count starts the day after the start date.

Does it know public holidays?

No, because they differ by country and region. Paste your holidays as dates (YYYY-MM-DD), one per line, and they'll be skipped.

Is Business Days Calculator free?

Yes. Business Days Calculator is free to use with no sign-up and no watermark.

Is my information saved or sent anywhere?

No. Everything is calculated in your browser. Nothing you enter is sent to a server or stored.

Does it work on my phone?

Yes. It works in any modern browser on Windows, Mac, Linux, Android and iPhone. Very large files may be slow on older phones.

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