How To Add A Calendar To Google Calendar On Iphone. Let’s get to the tricks. Add your gmail, contacts, and calendars to ios:

You’ll have the option to synchronize emails, contacts, calendars, and notes. You can use google calendar to keep track of all your events.
Tap On Add Subscribed Calendar.
The easiest way to sync your events is to download the official google calendar app.
Now You're Both On The Same (Calendar) Page!
Launch the settings app on your iphone and tap calendar.
You’ll Need To Enter Your Google Registration Details.
Images References :
Open Google Calendar From Your Web Browser;
Adding other people’s google calendars to your iphone is a straightforward process.
The Easiest Way To Sync Your Events Is To Download The Official Google Calendar App.
Click on accounts, and log into your google account (if you haven’t already).
Tap On Add Subscribed Calendar.