Set quantity to order

We are creating an order form for t-shirt sales and need to limit the quantity available for purchase. We cannot find a setting to do this.

To achieve this, you need to use the Inventory widget. With the use of the calculation widget, you can calculate the total pricing for customers. After you are done, you need to update the payment method from selling products to the User Defined amount and select the calculation field as a price source:

You can use the following article for more information:
https://www.jotform.com/help/275-how-to-pass-a-calculation-to-a-payment-field

Let us know if you need any further assistance.