=SUMIF(A:A,I2,B:B)

where criteria is in column I

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HTH

Bob

(there's no email, no snail mail, but somewhere should be gmail in my addy)



"Treg" wrote in message
...
I am trying to check a column of dates and if that column corresponds with
the critera (in other words if the dates match), I want it to add the
invoice
values together. I can't get it to work, it returns the result zero all
the
time? Can anybody help. What am I doing wrong?
E.G. I want excel to check the dates under the payment due column (RANGE)
and if any date matches the date under the criteria column i then want it
to
add the invoice values together. Working example is, check payment dues
dates
and if any match criteria 01/06/2007 then add the values together, so
there
are 2 instances of date 01/06/2007 so excel should add the corresponding
values together i.e.15.25+845.00

payment due invoice value RANGE
SUM VALUE

01/06/2007 15.25
01/07/2007 26.00
01/08/2007 56.00
01/06/2007 845.00
01/07/2007 2256.33
01/08/2007 45.23


CRITERIA Jun Jul Aug
01/06/2007 0.00 0.00 0.00
01/07/2007
01/08/2007

Trying to sum payments due jun here
Trying to sum payments due jul here
Trying to sum payments due aug here

Thanks