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Can Excel Count The Number Of Months Between Two Dates?

So I am working on a weighting system based on the length of a person's term, and am weighting it by the number of months. How can Excel do this. For example, if the two dates are Jan 1st to Apr 5th, the count should be 3 months. I know Excel can count the days, and I know it is able to find the month number using =MONTH([date]), but this would not be helpful for people who have been on the term for multiple years. Thanks for any help.

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Similar Topics

I was able to convert start date and and end date to the number of days
inbetween the two dates. Does anyone know how to then convert the number of
days into months?

I see a formula that our Human Resources Department is using to annualize voluntary turnover.

It looks like this:


So if I substitute with some actual data:

=(6/((22+33)/2))*12/months the answer becomes 21.8% (as the annualized voluntary turnover rate).

What does the *12/months actually do mathematically? I cannot find it in the excel help files and have not been able to figure this out using math (on the calculator).

Hello, I'm trying to count the number of times a name appears across multiple worksheets but I can't seem to figure it out.

I have 6 sheets to count and all the names are in column A (from A1:A100) on each sheet. The names are not in a particular order.

On sheet 7 I want to have a cell beside each persons name that counts the number of times their name appeared on the other 6 sheets.

For example Sheet 7 (called total) would have

Joe 5 (where 5 is the outcome of the formula I'm looking for to count all the times "Joe" appears on sheets 1-6).

I have it counting per sheet with =COUNTIF(A1:A130,"name") but this is not quite what I am looking for.

Thanks in advance for any advice.

Edit: I am using Excel 2007 w/ windows XP

Very new in this board. If I post this question in the wrong forum please bear with me.
There is about 20 staffs in our department and I have made a spreadsheet with 12 tabs for each month of the year Jan-Dec. If each staff have 15 days annual leave each year and how can I make a formular that can automatically calculate the balance of annual leave and entered in the tabs of the following months. For example if staff A used 5 days in Jan how can the balance of 10days be entered in the tabs from Feb-Dec. If he use another 5 days in July the remain balance of 5 days be automatically entered in the tab from Aug to Dec. Likewise if staff A took 2 days sick leave in Jan, and 2 days in Mar how can this sick days be automatically sum up in the months after. I am doing this manually at the moment and it is very time consuming and also very easy to make mistake.
Thanks and sorry for this long questions

I use Excel 2000
I have sheet muster for my clients of January, 2005 like :
( P = Present, A=Absent )
Days Sun Mon Tue Wed
Date 1 2 3 4

1 John P A A P
2 Lucy A P P A
Now I want to calculate the total Sundays, Mondays, Tuesdays etc. present in
that month. How can I do this?
Knowldege is Power

for example if you have values of

1 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 0 0 0 1 1 1
how to count number of occurances where value of 1 is 3 consecutive times? Obviously answer is 3 in this instance but is there an excel formula to count/sum this?

Thanks in advance

I have imported a DBF file into Excel and have a column of dates that are missing the leading zero on single didgit months. When I try to us the custom format of mm/dd/yyyy it doesn't work (interestingly, after I select that format if I click on an individual cell it changes to the right format).

Does anyone know a better way to do this?

Thanks in advance!

Hi All,

I am trying to make excel automatically add a leading zero to values which are 5 digits long;

i.e. number input is 15185, then excel automatically changes it to 015185.

If I put a Customer Number Format of 0##### it works, however, a user could put any length of number into these cells, and if the number is less than 5 digits I don't want a leading zero.

Is there any way of writing a small macro to sort this out.

The numbers would be input into range B16:223.

Many thanks,


Sorry for the question. Normally I find answers to my excel questions by going through the help tab or by searching on Google. However, I don't even know what question to ask on this one!?!

Basically I have created a spreadsheet with several columns, but I have one column that lists the shirt size (YS, YM, YL, AS, AM, AL, XL, 2X, 3X) of each person. Is there a formula that I can create that will tabulate the number of sizes (i.e. AS=2, AM=7, etc.)?

In previous years I made a column for each size, and simply placed a "1" in the correct column, and had excel just add the 1's from each column. However, that takes more time and space. I was hoping to streamline it this time around.

Thanks for taking the time to read this post. Any help would be appreciated! Thanks, doug

I have a graph with various information in it. One is a line graph that tracks hours used in that department per month. The problem is that when it gets to the last month, and there is not yet data for future months, the line goes down to Zero (leavin this big diagonal line that makes the data look funny). I need this line to stop on the last month there is data for. (I do not manually enter the data, it is a formula that I do not wish to delete.) I know I can manually move the data that the line is pulling to make it stop on the last month, but I have a graph for 36 different departments and that's a pain to have to manually adjust 36 graphs each month. Is there a way to tell the line to stop if there is no data? Thanks!!

This formula is supposed to calculate difference between today and date hired to give years and months of service. Works fine for all except if the person was hired in year 2000 then this formula shows 110 y. Any one know how to fix this? or have a different formula that works.

=DATEDIF(E21,TODAY(),"y")&" y "&DATEDIF(E21,TODAY(),"ym")&" m"


I have a spreadsheet set up with an employees information, including the start date. After each year that the employee is working, he gets bumped up on the pay scale. For this reason, I only need to know how many years the employee has been working, rounded down to the nearest year.

This is what I have so far (hire date is in column B):

=((TODAY()-B4)/365)&" YEARS"

This function gives me a number with many decimal places.

I tried:

=ROUNDDOWN((TODAY()-B4)/365),0)&" YEARS"

It tells me I have too few arguments. Please help!

I'm trying to format a worksheet to show how many days overdue certain tasks are, and running into a couple of issues. The sheet is set up with Due Dates in Column A, Days Overdue in Column B, and Date Completed in Column C. My first thought was just to use as simple a formula as possible in Column B =Today()-A2. This worked alright for tasks that already had Due Dates assigned, but if Column A was blank I'd get a high number in Column B. I also realized that tasks will continue to show as overdue even after I enter the completed-on date in Column C. Is there a relatively simple way to tackle this formula? Thanks in advance for suggestions. (I've attached an example with the column headings I want to use.)


I have two columns of data: column A contains the date and time in the form dd/mm/yyyy. Column B contains a number value. All the times are in order, so column A looks like:


I have data from 2007 to 2010. I need to calculate an average daily value (in column B) for each month, and display it in column C. So, for January, I need to calculate the average of 31 days, February, 28 days, etc.

Is there a function I can use to do this? I've been trying the AVERAGEIF formula but can't get it to work. Any ideas would be much appreciated!

Many thanks,

Hi all,

I hope you can help me with what I would like to do. I've searched and searched and not come up with anything yet!!

I have one sheet which is my 'data' sheet with a number of columns, one of which is a date which may be repeated.

I then want to use another sheet with two cells where two dates can be entered and a button which allows you to copy the rows of data from the data sheet which have dates between the two specified originally. The list in the data sheet may not be in date order although I could update a macro to do this for me if needed. I would also like to do it so that if "ALL" is typed in the date fields, it pulls over ALL the data. (Or something similar)

Any help you can give would be much appreciated.



Is there a way to calculate the average days between a column of dates?

Basically, I've got a sheet that contains a table of entries, and each entry gets a date stamp in the first column. I would like to have the sheet display the average time, in days, between entries. Is this possible?

Thank you in advance!

From limited experience I know that excel calculates dates via serial numbers.

I have formulas to add a number of days to a cell containing an entered date and display the resulting new date (ie. 03/01/2011 (c34)+11 = 03/12/2011)

I am seeking to leave resulting formula cell blank until a date is entered in the input cell. Currently when the input cell is empty the formula cell obviously displays 1/11/1900 using the above example.

What conditional format would achieve leaving the formula cell blank until date data in entered into the source cell?

Hopefully a simpler question for your experience level than mine.

Good afternoon!

I'm working with Excel 2003 sp 3 on Windows xp.

I have been banging my head trying to jar loose the formula to calculate man days where 1 equals 8 hours. I have one that was given to me by a coworker:


That calculates man days from total hours. I need a formula that will total man days and return the man day answer. Example:

weekending 12/25 = 16.2 which is 16 man days and 2 hours
weekending 1/1 = 24.7 which is 24 man days and 7 hours

Total = 41 man days and 1 hour

I have also been asked if there was a way for a number to be entered into a spreadsheet and automatically put in order without a macro or "pushing a button".

Any advice is greatly appreciated!

Happy New Year!

~ Brenda ~

Need a formula to calculate weeks stock in hand based on 12 months forecast.

Here is the example.

Jan2011 Feb2011 Mar2011 Apr2011 May2011 Jun2011 Jul2011 Aug2011 Sep2011 Oct2011 Nov2011 Dec2011 ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- ----------- Product XXXXX Actual/Forecast : 174 1674 574 574 524 524 524 524 524 728 728 728 New Purchases : 0 0 0 0 1002 0 0 0 0 0 0 0 Goods In Transit: 0 1506 0 0 0 0 0 0 0 0 0 0 Other Movements : 0 0 0 0 0 0 0 0 0 0 0 0 Closing Stock : 1270 1102 528 -46 432 -92 -616 -1140 -1664 -2392 -3120 -3848 Week Stock in Hand ? ? ? ? ? ? ? ? ? ? ? ?

So, in Month of Jan2011 the Closing stock is 1270, need a formula to calculate how many weeks will this stock cover look at future forecast.


Firstly i haven't used excel to a great extent since my college days. So i'm having to re-learn 99.9% of everything i once new...

I am volunteering for a non profit organization and trying to create a reservation system for the rooms that they have - kind of like hotel software, but in excel (i did a similiar thing in college but for plane seats)

Please find it attached.

What i need it to do:

Copy all of the info from the main page to the guest lit (a new row each time).

From the guest list to the Gannt chart - i did a few tutorials on dynamic gantt charts using conditional formatting but cannot get them to work when based on data on a different worksheet.

Finaly is there a way to check for availabilty on any given date?

if just someone could point me in the right direction, i would be appreciate it so much words can't express!!!

Best Regards,


P.S for the calender drop down on the main page, i'm using 'microsoft time & date picker 6.0)

/ - pop ups on this site

/ - same file, better website

I have created an excel spreadsheet to track attendance of an exercise class I am teaching. I would like to know each person's current percent attendance. (so if we have had 5 classes and they have attended 4 of those classes then it should show 80%). I would like it to keep a running tab, so as I add in the person's attendace it will continue that count, up to the 26 classes that are being offered. I thought if I did a sumif/countif I could get it to work, but it doesn't. Here is what I tried: =sumif($e$4:$ad:4,">0")/countif($e$4:$ad$4,">1"). Do you have a suggestion that would work? Thanks!

I am trying to correct a formula for a productivity worksheet in excel. The idea is that we would have the ability to input the number of hours worked each day and the number of direct hours (working with clients) per day. Then take the daily percentages and add them then devide them to determine the final productivity percentage for the week. Additionally not everyone works a full week so I would need it to only divide the percentages of the days that were completed. Any suggestions? or does anybody know a formula that would accomplish this already? I am good with basic excel and was able to identify a flaw in the current productivity sheet.

I know this question has been asked a bajillion times, so I apologize for the redundancy.

I am working with an Excel spreadsheet and saving it as a .csv file in order to upload to an application that parses out the .csv data as transactions. The system requires .csv files, so this is how I need to save my doc (with this extension). I have been successful at preventing Excel from coverting that long number into scientific format. I have saved as a TXT file, pasted the longer number and it displays correctly. That is all good. But I have to save as a .csv. So if I do that, close the Excel window, and then open again (as the .csv file), the numbers are back to being displayed in scientific format. I have tried creating an Excel doc from scratch and entering text in Text format, to see if this created a cleaner file. But again, the second I save as .csv, close the window and then open that file up again, that dang scientific format is back.

Does anyone have any idea of how to work around this? Once I have successfully gotten the numbers to display as the long-chain number, how can I get them to "stick" so that they don't revert back to scientific format when I reopen the file?

Thanks so much for your help!

Dear Sir,

If any one could give me a solution for this its will be a great help for me.

I am working in a bank and on every day we receive Month to date data of Loans and advances made by every branch with Region wise total and manager wise total. With Sum of loan and count of loan. In our MIS format the in A coulum branches are sorted and listed in a sequence with sub total Region. I have data where if if do the pivot and change the data the out put should be displayed accordingly in the MIS format. Can any one help me how can we do this or is there any other office addins/softwares are available if so the data is changed on a daily basis and if we do the pivot it will automatically copy the data to the MIS format.


A previous poster explained what I also need; there were no responses,
so I thought I would try again.

Does anyone know of an Excel template--or a small stand-alone
program--that will calculate the interest/principal breakdown when
payments are varied in amount and frequency? Free or low-cost, please.
I need one that will work on my Mac/Office 2004. I will need to print
out periodic reports.

Here is the way the previous poster described it:
"Excel template: Loan Amortization for random/irregular payments,
figures days
between payment dates.
I have a loan with a variable beginning balance and irregular payments
annual large payment. (based on collections)
Would like to enter payment and date.
then Excel would figure days since last payment, interest amount,
amount, Ending Principal balance.
And total interest paid, total pricipal paid
If I change the starting principal, excel would recalculate all

Thanks very much.

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