Easy way to exclude cells in Excel Sum formula?

I have a column of numbers. I want to temporarily exclude few cells from being included in the Sum formula.  Then add them back.
Right now I have =SUM(K16:K34)
I want to exclude K20 and K22.  

 Is there an easy way to do this?
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Saurabh Singh TeotiaCommented:
Use this formula..




Tiras25Author Commented:
I was just hoping something easier to click to exclude and then put it back :)
I guess not..
Saqib Husain, SyedEngineerCommented:
I would do

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Tiras25Author Commented:
Thanks guys.  I knew I could do it.  Was just hoping for something easier like click->exclude.  I guess not then.
EirmanChief Operations ManagerCommented:
Hide Column M in the attached Spreadsheet
To exclude an item from the total, change a 1 to a zero in column L

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Tiras25Author Commented:
Very cool idea.  Thanks Eirman!
I was still thinking to something simpler like point-n-click but maybe this is just in my head :)
EirmanChief Operations ManagerCommented:
Your imagination is not running away from you!
It can be done with checkboxes where items in column L (now hidden) change from 1 to 0 (true/false)

Unfortunately, I don't have the time to do it for you.
EirmanChief Operations ManagerCommented:
Do it yourself in stages and keep asking questions here.
Post a sample workbook of your progress, and experts are more likely edit it and post it back.
Rob HensonFinance AnalystCommented:
For a small range such as you are describing; highlight the first block, press ctrl and then highlight the next block. Only those required will be highlighted and the total will show on the status bar.

Rob H
Rob HensonFinance AnalystCommented:
Alternatively, if you do want a point & click type scenario, you could have a VBA routine that toggles the values in the "Exclude" column between 1 or 0 and then different approach using one of the following:


This will add up column K where column L = 1


This is effectively doing the same as Eirman's suggestion. His column M is multiplying K and L together and then summing it. SUMPRODUCT does that but in one function. It will multiply the contents of the equivalent cells from the two (or more) ranges and then sum the results.

Rob H
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