How to Add Multiple Records Using a Single Form in Airtable
Airtable's native forms are built on a one-submission, one-record model. Each time someone submits a form, it creates a single record in the table. There is no built-in way to have one form submission create multiple records or let a respondent add several items in one sitting.
For workflows where you need that, Fillout is the most practical solution.

How Fillout handles this
Fillout connects directly to Airtable and extends what forms can do. One of its features is the ability to add multiple linked records in a single form session.
The common use case is an order form where someone selects a main record (such as an order or a project) and then adds multiple line items, each of which becomes a separate linked record in Airtable. The respondent fills out one form, and the submission creates the parent record plus however many child records they added.
Setting it up
Connect your Airtable base to Fillout and create a new form. Fillout lets you map form fields directly to Airtable fields.
To enable multi-record input, add a linked record field to your form and turn on "Can create new records" on that field. This lets the respondent add as many linked records as needed, each becoming a separate record in the linked table.
Configure which Airtable table the linked record field writes to and map each sub-field to the corresponding Airtable field. Each child record is automatically associated with the parent record created in the same submission.
When the form is submitted, Fillout creates the parent record first and then creates each added item as a separate linked record.
When native Airtable forms are enough
If your use case is simply letting someone submit a form multiple times without leaving the browser, native Airtable forms have a "Submit another response" link that appears after each submission. This works for simple scenarios but the respondent submits multiple separate forms rather than building a list in one session.
For collecting one primary record with detailed linked sub-records in a single step, Fillout is the right tool.
Fillout has a free tier that covers basic Airtable form connections. You can start at try.fillout.com/airtableadvisor.
For related form patterns, see how to set up a form that adds data to multiple tables, how to create new linked records through form workarounds, and how to automatically link Airtable form submissions to existing or new records.