**lbrtexas**How do you calculate a user input quantity X a fixed amount?

- JotForm Support
**Kevin_G**Yes, it is possible to implement such calculation with JotForm, you only need to use the Form Calculation widget where you will be able to perform calculations using fixed amounts as well as fields from your forms.

For example, I added a field asking for a value and I'm also performing the calculation based on a fixed amount:

You can see my example here: https://form.jotformpro.com/72475149448971

Here is also a guide that will help you performing calculations on your form: https://www.jotform.com/help/259-How-to-Perform-Form-Calculation-Using-a-Widget

If you have any question, let us know.