How to view your rating on Chess.com
Web
Hover over the Chess.com logo in the top-left corner of any page
From the menu that appears, click on 'Stats'
Scroll down on your stats page to view your ratings for different time controls and variants.
Mobile
Tap on your avatar in the upper-left corner of your screen
This will take you to your profile, where you can see your stats for different time controls. Slide to the left to see all your ratings.
Check out this article to learn more about what information is available on your stats page: What does my Stats page show?