In Calendars, you can easily include meeting rooms in your events. Please note that this function is only available for G Suite accounts that belong to an organization with Rooms.
Step 1. Add your account and connect to G Suite
Step 2. Add a room
To check a room's availability, open your Calendars app and tap the three lines icon in the top left corner (on an iPad, it's a little calendar icon). Then, select the desired room. The room's schedule should now appear in your calendar view.