# Add a formula field to a form

- Open the form builder.
- Add a formula field to the form. (Refer to this page to learn how to add a field to a form)
- Set the required
**Expression**as follows:- Select the required form fields by clicking on them. All types of fields added to your form, except add notes, will be listed under
**Refer Fields**. - Click
**Insert conditional formula**. Enter the required formula as follows:**Specify Condition**- You can refer form fields by typing their field link names**Specify Value1**- The formula will return this value when the given condition is satisfied**Specify Value2**- The conditional formula will return this value when the given condition fails- Click
**INSERT**

- Select the required form fields by clicking on them. All types of fields added to your form, except add notes, will be listed under
- Click
**DONE**once you set the required expression.

The formula field will be added to your form, and its **Field Properties** will appear on the right.