Calculate your working days with ease

Professional tool to calculate business days for France, Belgium, United Kingdom and United States. Include holidays and export your results.

Quick Calculator

Start date

Working days to add

Country

Why choose our calculator?

A complete and reliable tool for all your working days calculation needs

Multi-country

Full support for France, Belgium, United Kingdom and United States

Official holidays integrated and automatically updated for each country.

Easy export

Export your results to CSV or iCalendar

Easily integrate your calculations into Excel, Google Sheets or your calendar.

Ultra fast

Instant calculations and optimized interface

Optimized performance for fast calculations even over long periods.

Choose the right tool for your needs

Working days

Calculate the number of business days between two dates

Perfect for project planning and calculating delivery deadlines.

Add working days

Add working days to a start date

Perfect for calculating deadlines and project end dates.

Between dates

Analyze a complete period with details

Get a detailed report with holidays and weekends.

Tips and news about work time management