Formula Not Equal To in combination with Linked Field

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Hi all,

When I try to use the formula If({LINKED FIELD} !=BLANK(),Duration,BLANK())

Explanation: the duration of a certain activity is put in a seperate (new) column. It only will fill if the LINKED FIELD is empty.

For some reason it just doesn’t work. the != combination seems to be ignored. The duration is filled regardless of the content of the LINKED FIELD. What am I doing wrong?


2 Replies 2

Checking to see if a field is blank is actually much easier than you might think. This should work:

IF({LINKED FIELD}, Duration)

Putting the field name on its own checks to see if that field contains anything. If so, the condition is considered to be true. However, in your comment you said:

…which is the opposite of how you tried to structure your formula. If you truly want the duration to appear if {LINKED FIELD} is empty, use this:


Also, the last part of the IF() function is optional. If omitted (as I did in my examples), Airtable automatically inserts the appropriate equivalent of BLANK(), so putting BLANK() there explicitly is unnecessary.

Hi Justin,

That’s good information man! I really appreciate this. Thank you.