# Ruler

To enable the Ruler, go to **Settings and options** → **DOM settings** → **General** and  in the DOM **block** select how it is displayed.

![Enabling Ruler in the DOM window](https://s3-eu-central-1.amazonaws.com/euc-cdn.freshdesk.com/data/helpdesk/attachments/production/80077616139/original/MX5w5tst1UKZbCQWPrKrnlEevfPqA50KXg.gif?1644917943)