Free online calculator

Business Days Calculator

Count working days and calendar days between two dates with configurable weekend rules and custom holiday exclusions.

Business days21
Calendar days31
Weekend days10
Custom holidays0

Public holidays are not guessed automatically because holiday calendars vary by country, province, state and employer. Enter the holidays you actually want excluded.

How to use the Business Days Calculator

  1. Choose the start and end dates.
  2. Choose whether Saturday or Sunday should be excluded.
  3. Optionally enter holiday dates to exclude.
  4. Review business days, calendar days, weekend days and custom holidays.

Examples

Project schedule

Count Monday-to-Friday workdays between two project dates while excluding selected holidays.

Frequently asked questions

Is the Business Days Calculator free to use?

Yes. You can use the tool without creating an account.

Are public holidays excluded automatically?

No. Holiday calendars vary by country, region and employer, so you can enter the dates you want excluded.

Does this tool work on a phone?

Yes. The interface is designed to work on phones, tablets and desktop browsers.

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