Are you sure your dob field is truly a date field? It seems that you should have gotten the number of days since the dob with that command (not what you were after, but better than an error).

Do this
MyDOB ={^1963-08-30}
? (DATE() - MyDOB) / 364.25

That should give you what you want.

JR


>How can I create an expression in expression builder to get a age of person based on their date of birth. For example:
>

>Dob          Age
>10/25/44     53.4
>

>
>I tried the expression (date()-person.dob) but it gave me an error as Ambigious date/datetime contstant. Is it even possible to find number of years and months in expression
>
>
>Thanks
>Nick Patel