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Business Day Calculator to Calculate Working Days Between Dates

Calculator Preferences
Business Day Calculator Sign
Business Day Calculator

This free online business days calculator will instantly calculate the number of business days between two dates, or calculate a past or present date by adding or subtracting a specified number of working days to or from a starting date.

Includes built-in holiday date calculations to exclude holidays of your choosing. Plus you can even choose which days of the week you want the calculator to count -- which opens up the calculator for other interesting uses!

Learn More

Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

DataData recordData recordSelected data record: None
Business days settings
My business days days of the week:

Business days of the week settings:

If your business or working days are not Monday to Friday (the default settings), click the description in this row to set your own custom business days of the week.

Starting date:

Starting date:

Select the month and day and enter the 4-digit year of the date you want the working days calculator to start counting at (or tap the Today button to set the date to today's date). Note that the starting year must be less than 4000.

Plus or minus business days from start date:

If you want the business days calculator to calculate a date by adding or subtracting a number of business days to or from the starting date, tap the top radio button option, select + or - from the menu on the next line, and then enter the number of days to add or subtract.

Or, if you want the calculator to calculate the number of business days between two dates, click the bottom radio button option, and then in the 2nd row beneath this line select the month and day and enter the 4-digit year of the date you want to stop counting at. Note that the ending year must be less than 4000, and the ending date must be later than the starting date.

from start:from start date:business days from start date:
Exclude holidays

Exclude holidays:

If you want the calculator to exclude certain holidays if they fall on a business day, tap the "+" icon to open the list of holidays and then check all options and holidays that apply. You may also add up to two holidays of your own choosing. Please note that the holiday dates are calculated, so be sure to double check the results with a calendar to make sure they are the correct dates.

Bus. days:Business days:Business days between dates:Business days between dates:

Business days between dates:

This is the number of business days counted by the calculator.

End date:Ending date:Ending date:Ending date:

Ending date:

This is the date the calculator stopped counting at.

If you would like to save the current entries to the secure database, tap or click on the Data tab, select "New Data Record", give the data record a name, then tap or click the Save button. To save changes to previously saved entries, simply tap the Save button. Please select and "Clear" any data records you no longer need.

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Tip

About

About the Business Day Calculator

This free online calculator will calculate the number business days between a starting and ending date, or calculate an ending date based on a specified number of business days to add or subtract to or from a starting date.

Plus, unlike other working days calculators, this calculator will not only let you choose which days of the week you want to be counted as business days, but it also allow you to indicate which, if any, holidays you would like excluded from the count.

This means you can also use the calculator to count work days only, or any other types of events that are counted based on which days of the week they reoccur.

If you would like to calculate the years, days, weeks, hours, and minutes between two dates, please visit the Date Difference Calculator.

Many Fun Uses!

Here are just a few of the many uses for this business days calculator:

  • How many working days before my vacation starts?
  • How many rounds of golf can I get in before my membership ends?
  • How many weekend shopping days left before Christmas?
  • How many school days left before spring break?
  • How many workdays until my retirement?
  • When is my self-paced course completion date?
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Instructions

How to use the Business Day Calculator

Step #1:

If your business/working days are not Monday through Friday, tap the Business Day Settings button and place checkmarks for the applicable days of the week.

Step #2:

Select the month and day, and enter the 4-digit year of the date you would like the calculator to start counting at.

Step #3:

Choose whether you would like the calculator to count a number of days from the starting date, or count the number of days between dates, and then enter the number of days or the ending date.

Step #4:

If you would like to exclude holidays that fall on work days, tap the "+" icon to open the holiday settings panel and indicate your preferences.

Step #5:

Click the "Calculate Business Days/Date" button. This will display the number of days, the ending date, and a chart showing the dates and names of holidays that were excluded from the count.

Saving Entries:

If your web browser supports Local Storage, you can save your entries to your web browser so won't have to start over on your next visit. Please note that your saved entries can only be retrieved from the same device and web browser you were using when you stored them. If you would like to access your saved entries from any device I invite you to subscribe to the Ad-Free Member Version.

To save your entries to your web browser, click or tap the Data tab in the Help and Tools section (mobile: top right of the main screen), select "New Data Record" from the drop-down menu, enter a name for the data record, and then tap or click the Save button.

To load previously saved entries, click or tap the Data tab and select the saved data record from the drop-down menu. You can then save any changes to your entries by simply clicking the Save button while the data record is selected.

To clear a named set of saved entries, click or tap the Data tab, select the saved data record from the drop-down menu, and then tap or click the Clear button.

Numbers and Decimals:

Only numeric characters (0-9 and decimal points) may be entered in numeric fields. Non-numeric characters (dollar signs, percent signs, commas, etc.) may cause calculation errors. If the field includes a grid icon, tapping the icon will open a popup keypad which will include only the characters allowed in the field. If your device keypad does not include a decimal point, use this popup keypad to enter decimal numbers where applicable.

Popup Tool Tips:

Tap the info (i) icons for a further explanation of each entry field (you can click [X] or outside of the pop-up tool tips to close them). A summary of these explanations, along with any additional term explanations, can also be found under the Terms tab.

Disclaimer:

Since I can't test for every possible combination of numbers, please be sure to double-check the results of this calculator yourself before considering them to be valid. If you do discover an issue with the calculated results, please report the issue using the feedback form located below the calculator.

Scrolling & Shrinking:

In order to scroll the calculator vertically you will need to swipe just outside of the calculator's dark-blue border, or use the window's far right-hand scroll bar, whichever is applicable to your device.

If the top section of the calculator becomes to tall for your viewport, tapping in the "Enter a problem..." field should reset the top section to its original height.

Disclaimer:

The Algebra Calculator is the only calculator on the site that I did not create myself. And since I did not create it, I don't have access to the code for fixing any issues you may be experiencing. So if you are having issues with the calculator, please visit the support page at Mathway.com for assistance.

Glossary

Fields, Terms, and Definitions.

Reset button:

Clicking the "Reset" button will restore the calculator to its default settings.

Pocket Calculator

Calculate any amounts needed to enter into calculator.

 

Data Management

Save and retrieve entries and notes (requires HTML5 compliant web browser).

Calculator Data

Calculator Data:

If you are using the latest version of your web browser software, this feature will allow you to save your calculator entries to your web browser's local storage in between visits. This means the calculator entries can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save data between devices you will need to subscribe to the Ad-Free Member Version.

Save: To save a new set of calculator entries, select "New Data Record" from the dropdown list, enter a nickname for the data record, then click the "Save" button.

Load: To load a previously saved set of calculator entries, simply select the name of the data record from the dropdown list.

Save Changes: To save changes to a set of previously saved calculator entries, be sure the name of the data record is selected, and then click the "Save" button.

Clear: To clear a saved set of entries, be sure the name of the data record is selected, and then click the "Clear" button.

Backup Data
My Notes:
Subscribe to the Cloud level of the Ad-Free Member Version to save your entries and notes to a secure online database, allowing you to access your saved entries from any device or web browser.

Sorry! The Save functions are bonus features reserved for those who allow ads to display on the page.

If you would like to use the Save features, please disable ad blocking for this website and refresh the page. Or you can choose to subscribe to the Ad-Free Member Version of the site.

Help and Tools

Help and Tools:

This section, which you can Unstick or Hide in the Calculator Preferences (just above the top of the calculator), contains the following tabs (content too long to fit within bordered frame can be scrolled up and down):

About: Click this tab for an introduction to the calculator.

Instructions: Click this tab for step-by-step instructions for using the calculator.

Terms: Click this tab for a list of the descriptions that are located within each popup help button (info icons).

PCalc: Click this tab for a handy "pocket" calculator you can use when you need to calculate an entry needed for the calculator.

Data: Click this tab to save a set of entries or a note in between visits. Entries and notes will be stored to your web browser's local storage (if supported by your browser of choice), meaning they can only be recalled with the same device and web browser you were using when you saved them. If you'd like to save entries and notes between devices you can do so by subscribing to the Ad-Free Member Version.

 

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