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Business Days Calculator

Result

Calculated result 10 Based on the values entered.
↗ Everyday Life

Business Days Calculator Count the number of business days (Monday to Friday) between two dates. Enter a start and end date to see both the working days and the total calendar days in the range. — free online calculator.

Formula

Business Days = Count of weekdays (Mon-Fri) between Start Date and End Date
  • Business Days Calculator calculates its result from Count Of Weekdays Mon Fri Between Start Date And End Date. It uses the formula Business Days = Count of weekdays (Mon-Fri) between Start Date and End Date. Change any input to recalculate the result instantly.
  • The main inputs are Count Of Weekdays Mon Fri Between Start Date And End Date. Enter them in the units and format shown in the calculator.
  • Use the units, labels and assumptions shown beside each input so the formula is applied consistently.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Business Days

Inputs
  • Count Of Weekdays Mon Fri Between Start Date And End Date: 10

Using Count Of Weekdays Mon Fri Between Start Date And End Date = 10, the calculated result is 10.

Sample result: Calculating…

Frequently asked questions

What does the Business Days calculate?

Business Days Calculator Count the number of business days (Monday to Friday) between two dates. Enter a start and end date to see both the working days and the total calendar days in the range. — free online calculator.

Which values should I enter?

Enter Count Of Weekdays Mon Fri Between Start Date And End Date using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Business Days = Count of weekdays (Mon-Fri) between Start Date and End Date.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026