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# How to condition cells that have a formula, not a value in Excel?

I have one sheet where I track my monthly household income and costs. Column A contains the description of the costs, starting at row 3. Column C is the month January, column D is February, until column I which is July.

From column M (January) to S (July), I have the income listed. Column L contains the text where the income came from. Each month has in row 31 the total for which I used =SUM formula to get the total of the above column.

I then used the =IMSUB(M31,C31), in this case to compare the costs and income for January to see if we got some leftover or spend more then we made.

Ok, I like to make it more visible by formatting the cells with the IMSUB formulas to be red when below 0 and green when above 0. How do I do that?

I saw different videos about conditional formatting but all are based on the cell containing a value, not a formula.

2 Replies
best response confirmed by Sebas2335 (New Contributor)
Solution

# Re: How to condition cells that have a formula, not a value in Excel?

@Sebas2335 Firstly, why use IMSUB? That function is used to calculate with imaginary numbers and it returns a text. Just use =M31-C31, of if you want =SUM(-C31,M31)

Conditional formatting looks at the value of the cell. That can be one that is entered directly or one resulting from a formula. Your attempts failed as you tried to format the textual outcome of IMSUB based on numerical criteria.

# Re: How to condition cells that have a formula, not a value in Excel?

That worked great. Thank you for the explanation, used the wrong formula. Cheers!