Jerry, if it were me, I would use the "Sum If" function looking at a value or
date greater than or = to one date and less than or equal to the other

Chappy

"JerryS" wrote:

I'm looking for a formula that will add the total number of units in one
column that fall between dates of another column. Dates are shown as
01/01/2009 for example and I am looking to sum units between 01/01/2009 and
01/31/2009. Thanks
--
JerryS