Business Days Calculator

Calculate business days — exclude weekends and holidays

🔒 Files never leave your browser

Start Date

End Date

Exclude US Holidays

Exclude common federal holidays from business days

How to Use Business Days Calculator

Count business days between dates, or add N business days to a date.

Select your dates.

See business days count and comparison.

Which days are excluded? ▼

Saturdays and Sundays always. Optionally common US federal holidays.

Is this private? ▼

Yes. All calculations happen in your browser.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Is my data secure? ▼

Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.

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