try this idea
=sumproduct((k2:k200={"a","b","c"})*al2:al200)

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Don Guillett
SalesAid Software

"Mike@Q" wrote in message
...
Hi

I am having trouble summing a range of cells that meet multiple criteria.

I have 3 resources clin040, clin060 and clinmix. These resource codes
appear
in column K. Column K also contains many other resource codes. I need to
sum
all the cells in column AL that have either clin040, clin60 or clinmix in
column K.

I also need to do this over a number of sheets - clin1, clin2 clin3 etc to
clinEND, and have a total of all cells with those resources across all the
sheets.

Please help!