How Big Can an Airtable Interface Form Be

If you are building a large survey or form using Airtable’s Interface Forms, you may eventually see this message:

“Your change was reverted because your interface is too big. Try deleting some elements.”

This message appears when your form reaches its maximum size limit.

Airtable does not mention this anywhere in its documentation, but testing shows that an Interface Form can contain up to 249 elements.

Once you reach that number, Airtable will not allow you to add more fields or components, even if you are on a paid plan.

If your form requires more questions or fields than that, you will need an alternative solution.

Use Fillout

The best way to handle larger forms is to use Fillout, a form builder that connects directly to Airtable. Fillout does not have a strict element limit and offers several advanced features that make it ideal for long surveys or data-heavy forms.

You can divide your form into multiple pages or collapsible sections to make it easier for users to complete.

Fillout also supports conditional logic, automatic saving, and custom design options, while keeping all data synced with your Airtable base.

Airtable’s Interface Forms are great for smaller use cases, but if you need to go beyond the basic need, Fillout is the most reliable alternative.