Perfect! Thank you so much.
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Thanks,
Harry


"bapeltzer" wrote:

=sumif(b:b,"<=" & k1,c:c)
This assumes that you only have dates (not dates w/ times) in column B.


"Harry" wrote:

I have dates in Col B, and quantity in Col C. I want to enter a date in cell
K1, and have the quantities added in Col C that occurred on or before the
date in K1.
--
Thanks,
Harry