How to calculate interval days/weeks/months/years between two dates in Excel?

As below screenshot show, how can you calculate the interval days, weeks, months or years between two given dates in Excel? This article will show you formulas to achieve it.

Calculate interval days/weeks/months/years between two dates with formulas
Easily calculate interval days/months/years between two dates with an amazing tool

Calculate interval days/weeks/months/years between two dates with formulas

Please apply the below formulas to calculate interval days, weeks, months or years between two given dates in Excel.

Calculate interval of days

Select a blank cell, enter the below formula into it and press the Enter key. Drag the formula down to apply it to needed cells.

=DATEDIF(A2, B2, "d")

Calculate interval of weeks

Select a blank cell, enter the below formula into it and press the Enter key to get the interval weeks between two dates. Then drag the formula down to apply it to needed cells.

=ROUNDDOWN((DATEDIF(A2, B2, "d") / 7), 0)

Calculate interval of months

For calculating interval of months between two given dates, please apply the below formula.

=DATEDIF(A2, B2, "m")

Calculate interval of years

For getting interval years, this formula can help.

=DATEDIF(A2,B2,"y")

Note: In the formulas, A2 and B2 are the cells contain the given start date and end date. Please change them as you need.

Easily calculate interval days/months/years between two dates with an amazing tool

Here recommend the Date & Time Helper feature of Kutools for Excel. With this feature, you can easily calculate the interval days, months or years between two dates with several clicks only.

1. Select a blank cell to output the result, and then click Kutools > Formula Helper > Date & Time helper. See screenshot:

2. In the Date & Time Helper dialog box, please configure as follows.

2.1) Click the Difference option in the Type section;

2.2) In the Date1 box, select the start date you will calculate the interval days based on;

2.3) In the Date2 box, select the end date you will calculate the interval days based on;

2.4) In the Output result type drop-down list, choose an option as you need;

Tips: If you want to calculate the interval days, choose the day option, for calculating interval months, choose month, for calculating interval years, choose year.

2.5) Click the OK button. 

3. Then the result is populated in selected cell, meanwhile, a formula is created automatically. You can drag the Fill Handle to other cells to get the results.

Note: Repeat the above steps to get interval months or years between two dates. The final result is shown as below:

Best Office Productivity Tools

🤖	Kutools AI Aide: Revolutionize data analysis based on: Intelligent Execution   |  Generate Code  |  Create Custom Formulas  |  Analyze Data and Generate Charts  |  Invoke Kutools Functions…
	Popular Features: Find, Highlight or Identify Duplicates   |  Delete Blank Rows   |  Combine Columns or Cells without Losing Data   |   Round without Formula ...
	Super Lookup: Multiple Criteria VLookup  |   Multiple Value VLookup  |   VLookup Across Multiple Sheets   |   Fuzzy Lookup ....
	Advanced Drop-down List: Quickly Create Drop Down List   |  Dependent Drop Down List   |  Multi-select Drop Down List ....
	Column Manager: Add a Specific Number of Columns  |  Move Columns  |  Toggle Visibility Status of Hidden Columns  |  Compare Ranges & Columns ...
	Featured Features: Grid Focus   |  Design View   |   Big Formula Bar   |  Workbook & Sheet Manager   |  Resource Library (Auto Text)   |  Date Picker   |  Combine Worksheets   |  Encrypt/Decrypt Cells   |  Send Emails by List   |  Super Filter   |   Special Filter (filter bold/italic/strikethrough...) ...
	Top 15 Toolsets:  12 Text Tools (Add Text, Remove Characters, ...)   |   50+ Chart Types (Gantt Chart, ...)   |   40+ Practical Formulas (Calculate age based on birthday, ...)   |   19 Insertion Tools (Insert QR Code, Insert Picture from Path, ...)   |   12 Conversion Tools (Numbers to Words, Currency Conversion, ...)   |   7 Merge & Split Tools (Advanced Combine Rows, Split Cells, ...)   |   ... and more

Supercharge Your Excel Skills with Kutools for Excel, and Experience Efficiency Like Never Before. Kutools for Excel Offers Over 300 Advanced Features to Boost Productivity and Save Time.  Click Here to Get The Feature You Need The Most...

Read More... Free Download...

---

Office Tab Brings Tabbed interface to Office, and Make Your Work Much Easier

• Enable tabbed editing and reading in Word, Excel, PowerPoint, Publisher, Access, Visio and Project.
• Open and create multiple documents in new tabs of the same window, rather than in new windows.
• Increases your productivity by 50%, and reduces hundreds of mouse clicks for you every day!

Read More... Free Download...