> For the complete documentation index, see [llms.txt](https://docs.acpt.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.acpt.io/meta-fields/field-types/length-field.md).

# Length field

This field specializes in selecting a length.

It's composed of two separate fields:

* **Value** - an input number with a step value of 0,01
* **Unit of measure** - the list of units of measure (e.g.: meter)

Have a look:

<figure><img src="https://3235524095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fiyf0tSKPgXiyoQ3zV3I6%2Fuploads%2Fgit-blob-5f1c45a7daf5726fe54c5abd8ec29b0b0d3e9277%2Flenght.png?alt=media" alt=""><figcaption></figcaption></figure>

The default unit of measure is meter (m). You can change it in the field's advanced settings panel.