I want the date picker to calculate age

how do a get a date picker that calculates age?

To calculate age using datepicker, you need another datepicker for the current date and form calculation to calculate days and age.

Guide:

1.) Add date picker and then set the default date to the current date.
2.) Add form calculation widget for days and age.

3.) Add this calculation to your days field:

4.) Then add this calculation to your Age field:

Demo Form: https://form.jotform.com/90488286695981.

Guide: How to Perform Form Calculation Using a Widget