Calculating Months by grouping tab numbers??

bsnapool

Active Member
Joined
Jul 10, 2006
Messages
452
Hi All

Is there a way a formulae can be produced to look at what tab number within a work book and use this as a week number?

Example,

I have 52 tabs to indicate every week of the year, I have a monthly break down and would like to group these tab numbers, into the months. E.g. Tabs 1-4 would be January.

EXAMPLE OF WHAT I HAVE GOT NOW: which is very inefficent.

Jan Feb Mar
=SUM('5:1'!M12) =SUM('9:6'!M12) =SUM('13:10'!M12)

Any one know a way this can be done??? :eek: :eek:
 

Excel Facts

Which lookup functions find a value equal or greater than the lookup value?
MATCH uses -1 to find larger value (lookup table must be sorted ZA). XLOOKUP uses 1 to find values greater and does not need to be sorted.

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