Business Day Calculator

Skip weekends and your own list of holidays to find a due date or count working days.

Separate with spaces, commas or new lines.

Fill in the fields to see the result here.

Everything runs in your browser; nothing you enter is sent anywhere.

🔒 All processing happens in your browser — files never leave your device. Your input stays in this browser and is not uploaded to Smart Online Tools.

How it works

  1. Enter your values or text.
  2. Read or copy the result.

Good to know: Weekends are Saturday and Sunday. Public holidays are not built in, so list the ones you need.

Privacy and processing

Your input stays in this browser and is not uploaded to Smart Online Tools.

Frequently asked questions

What does Business Day Calculator do?

Add business days or count them between dates. Skip weekends and your own list of holidays to find a due date or count working days.

Does this tool upload my files or input?

Your input stays in this browser and is not uploaded to Smart Online Tools.

What should I know before using this tool?

Weekends are Saturday and Sunday. Public holidays are not built in, so list the ones you need.