## How To Count the number of days, weeks, months or years between two dates?

Have you ever considered calculating how many days, weeks, months or years between two given dates in Excel? This tutorial can help you to finish the following operations as soon as possible.

**Count the number of days between two dates with formulas****Count the number of weeks between two dates with formulas****Count the number of months between two dates with formulas****Count the number of years between two dates with formula****Count the number of years months and days between two dates with formulas****Calculate various difference between two dates in days, weeks, months, years with a powerful feature**

** Count the number of days between two dates with formulas**

To count the number of days between two given dates, please use below formulas:

**1**. Enter any one of the below formulas into a blank cell where you want to get the result:

**=DATEDIF(A2,B2,"D")**

**=B2-A2**

**Note**: In the above formula, ** A2** is the start date cell and

*is the end date cell.*

**B2****2**. Then, drag the fill handle down to the cells that you want to apply this formula, and the number of days have been calculated, see screenshot:

** Count the number of weeks between two dates with formulas**

To count how many weeks between two dates, you can use the below handy formula, just subtract start date from the end date and divide by 7.

**1**. Enter any one of the below formulas into a blank cell:

**=(DATEDIF(A2,B2,"D")/7)**

**=(B2-A2)/7**

**Note**: In the above formula, * A2* is the start date cell and

*is the end date cell.*

**B2****2**. Then, drag the fill handle down to fill this formula, and you will get the weeks in decimal numbers, see screenshot:

**Tips:**If you want to get the number of full weeks between two dates, please apply this formula:**=ROUNDDOWN((DATEDIF(A2, B2, "d") / 7), 0)**

=INT((B2-A2)/7)

**Calculate Various Difference Between Two Dates In Days, Weeks, Months, Years etc.**

Too many formulas to remember, with **Kutools for Excel**'s **Date & Time Helper** feature, you can quickly get the various difference results between two dates based on your need without remembering any formulas, such as weeks + days，months + weeks and so on.** Click to download Kutools for Excel!**

**Kutools for Excel**: with more than 300 handy Excel add-ins, free to try with no limitation in 30 days.** Download and free trial Now! **

** Count the number of months between two dates with formula**

If you want to determine the number of months between two dates, you can use this DATEDIF function.

**1**. Please enter the following formula into a blank cell where you want to output the result:

**=DATEDIF(A2,B2,"m")**

**Note**: In the above formula, * A2* is the start date cell and

*is the end date cell.*

**B2****2**. Then, drag the fill handle down to fill this formula, and you will get the number of completed months between the given two dates, see screenshot:

**Tips:**If you want to get the number of full weeks between two dates, please apply this formula:**=DATEDIF(A2,B2,"m")&"months "&DATEDIF(A2,B2,"md")&"days"**

** Count the number of years between two dates with formula**

With the above DATEDIF function, you can also calculate the number of years between two dates.

**1**. Apply the below formula into a blank cell:

**=DATEDIF(A2,B2,"y")**

**Note**: In the above formula, * A2* is the start date cell and

*is the end date cell.*

**B2****2**. Then, drag the fill handle down to the cells that you want to apply this formula, and all the number of years have been calculated as below screenshot shown:

** Count the number of years months and days between two dates with formulas**

Sometimes, you need to know exactly how many years, months and days between two dates, in this situation, the following long formula may help you.

**1**. In a blank cell, enter or copy the following formula:

**=DATEDIF(A2, B2, "y") &" years "&DATEDIF(A2, B2, "ym") &" months " &DATEDIF(A2, B2, "md") &" days"**

**Note**: In the above formula, * A2* is the start date cell and

*is the end date cell.*

**B2****2**. And then, drag the fill handle to fill this formula, and the specific number of years, months and days between the dates are calculated at once, see screenshot:

** Calculate various difference between two dates in days, weeks, months, years with a powerful feature**

May be, you are annoying with the above formulas, if you have **Kutools for Excel**, with its **Date & Time Helper** feature, you can quickly get the various difference results between two dates based on your need, such as weeks + days，months + weeks and so on.

**Note:**To apply this ** Date & Time Helper**, firstly, you should download the **Kutools for Excel**, and then apply the feature quickly and easily.

After installing **Kutools for Excel**, please do as this:

**1**. Click a cell where you want to locate the result, and then click **Kutools** > **Formula Helper** > **Date & Time helper**, see screenshot:

**2**. In the **Date & Time Helper** dialog box, do the following operations:

- Check
**Difference**option from the**Type**section; - In the
**Arguments input**textboxes, select the cells which contain the start date and end date separately; - Then, choose the output result type as you need. For example, if you want to get the number of years, months, weeks and days between two dates, you just select
**Year + Month + Week + Day**.

**3**. After finishing the settings, please click **OK** button, and you will get the first calculated result, then, you just need to drag the fill handle down to the cells that you want to apply this formula, and you will get the following result as you need:

**Click to Download Kutools for Excel and free trial Now! **

** More relative date and time articles:**

**Calculate A Future Date Based On A Given Date In Excel**- If you need to add a number of days to a given date to calculate the future date, how could you deal with it in Excel?

**Calculate Hours Between Times After Midnight In Excel**- Supposing you have a time table to record your work time, the time in Column A is the start time of today and time in Column B is the end time of the following day. Normally, if you calculate the time difference between the two times by directly minus "=B2-A2", it will not display the correct result as left screenshot shown. How could you calculate the hours between two times after midnight in Excel correctly?

**Calculate Retirement Date From Date Of Birth In Excel**- Supposing, an employee will be retired at age of 60, how could you calculate the retirement date from the date of birth in Excel?

**Count The Number Of Days / Workdays / Weekends Between Two Dates**- Have you ever needed to count the number of days between two dates in Excel? May be, sometimes, you just only want to calculate the workdays between two dates, and sometime, you need to count the weekend days only between the two dates. How could you count the number of days between two dates in a certain condition?

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