Try this Function to get Desire OutPut Function GetDiff(Startdate As Range, EndDate As Range) As Single GetDiff = DateDiff("m", CDate(Startdate), CDate(EndDate)) + (Day(CDate(EndDate)) / Day(DateSerial(Year(CDate(EndDate)), Month(CDate(EndDate)) + 1, 0))) End Function
On Tue, Jul 12, 2011 at 11:00 PM, STDEV(i) <setiyowati.d...@gmail.com>wrote: > > Function MonthFrac(StartDate As Date, EndDate As Date) As Single > * '= siti Vi / Jakarta 12 July 2011* > Dim YY1 As Integer, MM1 As Integer, DD1 As Integer > Dim YY2 As Integer, MM2 As Integer, DD2 As Integer > Dim MM As Integer, DD As Integer, EndMonthDays As Integer > > YY1 = Year(StartDate): YY2 = Year(EndDate) > MM1 = Month(StartDate): MM2 = Month(EndDate) > DD1 = Day(StartDate): DD2 = Day(EndDate) > > If DD2 < DD1 Then > DD2 = DD2 + Day(DateSerial(YY2, MM2, 0)) > MM2 = MM2 - 1 > End If > > If MM2 < MM1 Then > MM2 = MM2 + 12 > YY2 = YY2 - 1 > End If > > EndMonthDays = Day(DateSerial(YY2, MM2 + 1, 0)) > MM = (YY2 - YY1) * 12 + (MM2 - MM1) > DD = (DD2 - DD1) > MonthFrac = MM + (DD / EndMonthDays) > > End Function > > > On Tue, Jul 12, 2011 at 7:55 PM, Richard <richard.m...@gmail.com> wrote: > > Hi All, > > I would appreciate a vba function that will calculation the number of > months > > and fraction of a month between 2 dates. > > > > i.e. > > January 1, 2011 to February 14, 2011 would be 1.5 months > > January 1, 2011 to February 15, 2011 would be 1.5335714 > > January 1, 2011 to March 15, 2011 would be 2.483871 > > > > Thank you in advance > > > > Rich > > -- > > ---------------------------------------------------------------------------------- > Some important links for excel users: > 1. Follow us on TWITTER for tips tricks and links : > http://twitter.com/exceldailytip > 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 > 3. Excel tutorials at http://www.excel-macros.blogspot.com > 4. Learn VBA Macros at http://www.quickvba.blogspot.com > 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com > > To post to this group, send email to excel-macros@googlegroups.com > > <><><><><><><><><><><><><><><><><><><><><><> > Like our page on facebook , Just follow below link > http://www.facebook.com/discussexcel > -- Regards Rajan verma +91 9158998701 -- ---------------------------------------------------------------------------------- Some important links for excel users: 1. Follow us on TWITTER for tips tricks and links : http://twitter.com/exceldailytip 2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310 3. Excel tutorials at http://www.excel-macros.blogspot.com 4. Learn VBA Macros at http://www.quickvba.blogspot.com 5. Excel Tips and Tricks at http://exceldailytip.blogspot.com To post to this group, send email to excel-macros@googlegroups.com <><><><><><><><><><><><><><><><><><><><><><> Like our page on facebook , Just follow below link http://www.facebook.com/discussexcel