How to use this business days calculator
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
Formula and method
Example
Use this calculator for weekday counts when weekends—not holidays—are the days you need to exclude.
What this calculator is useful for
Count weekdays between two dates, excluding Saturdays and Sundays. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Business Days Calculator calculate?
Count weekdays between two dates, excluding Saturdays and Sundays.
How does the calculation work?
Each date in the range is counted when it falls Monday through Friday. U.S. holidays are not automatically excluded.
Is this calculator free?
Yes. ERICH Calculators is free to use and no account is required.