How do I get my Google contacts in Gmail on my Gmail app on the iPad?
I don't know why everyone seems to over complicate this, you don't need to export contacts and import them somewhere else nor do you need exchange. Steps to sync contacts with your iDevice are as follows:


Plug your device into your computer and open iTunes
Select your device in iTunes and click the "info" tab
Check "Sync Contacts" and then "Sync Google contacts"
Enter your google login info


Done! Contacts will sync with gmail.