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Once you connect a payment processor and assign your prices you can specify how should the total price be calculated.

To do so, in your form editor scroll to the bottom of the form’s preview and click on the Payment Summary.

payment summary

Next, click on the View Inventory button.

View Inventory

In the pop-up window, there are 5 columns: Name, Price, Quantity, Discount, Tax.

payment summary and discounts


Under this column, you will select all the fields that you have values assigned. At the top right of the window click the + sign to add more.


The price column will auto-detect its type based on the field’s functionality. There are three types of values:

  • Multiple is for choice fields (single/multiple choice and dropdowns) because there are more than one option to choose from and each choice can have a different price.
  • Variable is for formula fields. The final value depends on the user’s choices.
  • The fixed price is displayed for input fields.

Click the price type. This will allow you to change the prices or to assign values to your choices.

Note that formulas can not be modified from here. You will need to return to your formula field to bring changes.


By default, each product is multiplied by 1. However, you can choose another number field.

In the first column select a choice field and under Quantity select a number field where users inputs their desired number of products.

Important note For each choice field you will need another number field for the quantity input.

payment summary and discounts

Discount and Tax

In each field, you can apply a discount and a tax. You can choose a percentage or a fixed value.

You can also access this section by clicking the Payment Summary and View Inventory.

payment summary and discounts

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