You can use the TOTAL function to calculate the total amount for the products ordered by the user and display it in the form in real-time.

How to use the TOTAL function to calculate the total amount?

Step 1: Add a short answer question with number response validation in Google Forms.

Step 2: Click on the Addon icon > Select Neartail > Select Customize this form > Click on the Proceed button.

In the Neartail customize interface, click on the ⚙️icon next to the short answer question for total amount.

Step 3: Field settings screen will be displayed. Select the "Answer" tab.

TOTAL function

You can use the TOTAL function to calculate the total amount for the products ordered. The syntax for the TOTAL function is:

TOTAL(currency)
where

currency = currency identifier to find the price in the description for all question types/answer choices for multiple choice, checkbox and grid questions. It can be a symbol or text, but it has to exactly match the format used in the description/answer choices.

For example:

If the price format used in description is $50 each, $5.75 per kilo etc, the formula to calculate the total amount is TOTAL("$")
If the price format used in description is €50 each, €5.75 per kilo etc, the formula to calculate the total amount is TOTAL("€")

Step 4: Write the TOTAL formula in the Calculate option as shown below.

How to automatically calculate the total amount in your order form?

You can use the TOTAL function to calculate the total amount for the products ordered by the user and display it in the form in real-time.

How to use the TOTAL function to calculate the total amount?

TOTAL function

You can use the TOTAL function to calculate the total amount for the products ordered by the user and display it in the form in real-time.