Is Business Days Calculator free?

Yes, completely free with no limits, registration, or hidden fees. Calculate unlimited business days between any dates.

How do you calculate business days?

Business days count only Monday through Friday, excluding weekends (Saturday-Sunday) and optional holidays. For example, between Monday Jan 1 and Friday Jan 5 with no holidays = 5 business days.

Does the calculator exclude weekends?

Yes, weekends (Saturday and Sunday) are automatically excluded from business day counts. The results show both business days and weekend days separately.

Can I exclude holidays from the calculation?

Yes. Enable 'Exclude Holidays' to remove US federal holidays automatically, or click 'Add Holiday' to manually add specific dates like company closures or regional holidays.

What date formats does this calculator accept?

Accepts MM/DD/YYYY, DD/MM/YYYY, and YYYY-MM-DD formats. Use the calendar picker for easiest selection without typing.

Does Business Days Calculator work on mobile?

Yes, works perfectly on iPhone, Android, iPad, and desktop browsers. The responsive design adjusts to any screen size.

Is my data safe with Business Days Calculator?

Yes, completely safe. All calculations run in your browser—dates never leave your device or upload to our servers.

Can I calculate business days for different countries?

Currently defaults to US holidays. You can manually add any country-specific holidays by clicking 'Add Holiday' and entering those dates.

What's the difference between business days and working days?

Business days and working days are the same—both mean Monday through Friday (excluding weekends and holidays). This calculator counts both identically.

Can I calculate business hours instead of days?

This calculator counts business days only. For business hours, multiply business days by 8 (standard workday) or your company's hours per day.

fast

Business Days Calculator — fast

Calculate business days between two dates.

Skip US public holidays

Start Date

End Date

How to use Business Days Calculator

Enter Your Start Date

Click the 'Start Date' field and select or type the beginning date. The calendar picker shows on the left side—navigate months using arrow buttons or type directly in MM/DD/YYYY format.

Enter Your End Date

Click the 'End Date' field below and select the ending date using the same calendar picker. Both dates must be filled before calculation runs.

Exclude Holidays (Optional)

Check the 'Exclude Holidays' checkbox to remove standard US holidays from the count. Click 'Add Holiday' button to manually add custom dates you want excluded from business days.

View Your Results

The results display instantly below the input fields showing: Total Days, Business Days (Monday-Friday), Weekend Days, and Holidays Excluded. Results update automatically as you change dates.

Copy or Download Results

Click the 'Copy' button to copy results to clipboard, or select 'Download as CSV' to export the calculation with detailed breakdown for your records.

Frequently Asked Questions

Related Tools

🕐

Date Calculator

Calculate the difference between two dates.

🕐

Days Until Calculator

Count days until any future date or event.

🕐

Week Number Calculator

Find the ISO week number for any date.