I have a small spreadsheet to track the total cost of something. I have cells C6:C19 with dollar amounts in them. I have cell C21 showing that total. I've created a conditional rule for the cells B6:B19. But if I put an X in those cells, it strikes out the value in column C.

Now I'd like when I put an x in that it also subtracts that amount from the total in cell C21, but I can't figure out how to do so.


You can use the SUMIF function to add up only the values in column C that do not have an X in the same row in in column B. Change the formula in cell C21 to


This calculates the sum of all values in the range C6:C19 where the equivalent value in the range B6:B19 is not "X".

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  • Awesome! Looks like either would work but I went with the sumif. I was trying to use that before but didn't have syntax right. Thanks! – gec5741 Dec 11 '19 at 18:52
  • Don't forget to mark the answer as correct if it solves your problem – cybernetic.nomad Dec 11 '19 at 19:40

You can use SUMPRODUCT to achieve this:


This will basically add all values in C6:C19, unless the corresponding cell in B6:B19 has an "x" in it

More info on SUMPRODUCT can be found here

The above formula takes advantage of the fact that expressions returning TRUE/FALSE (in this case B6:B15<>"X") essentially return 1/0

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