Sign out, switch accounts, or manage your Google Account
To sign out of your account, switch accounts, or manage your account settings, select your picture on the upper right side of the screen. If you see your email address at the top instead of a photo, select that.
From there you can:
Sign out. To sign out, select Sign out.
Switch accounts. To switch accounts, choose the picture or email address linked your other account.
Manage your Google Account. To manage your account settings, select My Account.
Note: Signing out of your account from the Google bar means you'll be signed out for all Google apps. For example, if you signed out of Gmail, you'll also be signed out of Calendar and Maps.