Utility instrumentAnswer first. Adjust only what matters.
Date · Calculator
Business Days Calculator
Count the number of working days between any two dates. Excludes weekends automatically.
← All date calculatorsBusiness Days
21
Out of 31 calendar days
68% working days
Business Days
21
Mon–Fri
Weekend Days
10
Sat–Sun
Calendar Days
31
Working Weeks
4
Full work weeks
Day Distribution
Business Days: 67.7%
Weekends: 32.3%
Smart Insights
68% of the selected range consists of working days.
The calculation skipped 10 weekend days (≈ 5 weekends).
Average working days per month: 21.
Average working days per week: 4.7.
How It Works
Each day from start to end is checked. Monday–Friday are counted as business days. Saturdays and Sundays are excluded.
Frequently Asked Questions
How are business days calculated?
Each day is checked. Monday through Friday are business days. Weekends are excluded.
Can I customize the working week?
Custom working days will be available in a future update.
Are holidays excluded?
No. Current calculations exclude weekends only; public holidays are not automatically deducted.
What are 'working weeks'?
Business days ÷ 5 = full working weeks within the range.
Can I calculate partial week ranges?
Yes. Any range from 1 day to several years is supported.
How are weekend days counted?
Saturdays and Sundays are automatically counted as weekend days.
Last reviewed: July 20, 2026