Calculating and adding a Percentage to a total on the Form Calculation Widget

Hi

How do I add a percentage to my total calculation ? I need to add 19% tax to the final total.

I found this post, but I cannot understand what the person did exactly.

https://www.jotform.com/answers/2249275-Form-Calculation-Widget-Add-a-percent-function

My calculator looks like this:

Thanks in advance,

Kristen

Hello Kristen - You can use this formula below:

AMOUNT + (AMOUNT * 0.19)

Here's how it looks like in the widget:

Here's a demo form: https://form.jotform.com/210475688806062

Can you share which of your forms would you like this to be implemented? Let us know the specific field/s as well so we can check.