I would like to know what formula to use in age calculation to get someone’s age at January the 1st 2018, after input of his date of birthday.
Cognito-forms – Age at January 1st in Cognito Forms
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Best Answer
I'm a developer with Cognito Forms.
We do have an age calculation in our help content that can be set up to display a users age based on their entered birthday.
Add a Date field to your form labelled Birth Date.
Add a Calculation field labelled Age, set to the Text type.
Insert the following expression as your calculation: