Business Days Calculator
Calculate the exact number of business days (Monday through Friday) between two dates. Essential for project planning, contract deadlines, shipping estimates, and workplace scheduling.
- Count Monday-Friday working days instantly
- See total calendar days and weekend days
- Full breakdown in weeks and remaining days
- Works for any date range, past or future
Calculate Business Days
How to Use the Business Days Calculator
Select a start date and an end date, then click “Calculate Business Days.” The calculator counts every Monday through Friday between those dates, excluding Saturdays and Sundays. If “Include end date” is checked, the end date itself is counted if it falls on a weekday.
About This Calculator
Our business days calculator is ideal for project managers, HR professionals, legal teams, and anyone who needs to count working days. It handles any date range and gives you a full breakdown including calendar days, weekend days, and business hours (assuming an 8-hour workday). Everything runs in your browser — no data is sent anywhere.
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Frequently Asked Questions
Common questions about business days
A business day is any day from Monday through Friday. Saturdays and Sundays are considered weekend days and are excluded from the business day count. This calculator does not exclude public holidays — only weekends.
This calculator counts weekdays (Monday through Friday) only. It does not automatically exclude public holidays since holidays vary by country and region. For most business planning purposes, the weekday count gives you an accurate baseline.
Business hours are calculated by multiplying the number of business days by 8 (a standard workday). So 10 business days equals 80 business hours. This gives you a quick estimate for project planning and time tracking.
Common uses include calculating project timelines, determining contract deadlines, estimating shipping and delivery windows, planning employee schedules, calculating notice periods, and tracking paid time off or vacation days.