Assuming that the start date is in G4, try:

=DATEDIF(G4,TODAY(),"m")

However, as you say the Start date is Sep-07, if you mean 1st September 2007
then use:

=DATEDIF(DATE(YEAR(G4),MONTH(G4),1),TODAY(),"m")

--
HTH

Sandy
In Perth, the ancient capital of Scotland
and the crowning place of kings


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"Marci" <u43020@uwe wrote in message news:82e04247ddd20@uwe...
I am trying to figure out the number of months between a start date and the
current month. I am using the formula =DATEDIF(MONTH(TODAY()),G4,"m") but
it
is giving me the wrong answer. Ex. the start date is Sep-07 and it is
returning 1291 as an answer and the column is formatted as number. Can you
please help me. Thanks