Part 1. How to Upload iTunes Music to Google Play - Direct Way
In this part, we will show you two quickest and easiest methods for you to move music from iTunes to Google Play Music. Now let's check the methods as below.
Method 1. Add iTunes to Google Play via Google Play Music Website

Step 1. Check out your iTunes library on your computer before uploading to Google Play.
On Mac Computer: Open Finder > Users folder > Your User name > Music folder > iTunes.
On Windows Computer: Go to C:\ drive > User folder > Your Name folder > Music folder > iTunes.
Step 2. Go to Google Play Music website via Chrome browser on your computer.
Step 3. Log in with your Google account and then hit the 'Menu' button at the top-left corner.
Step 4. Scroll down the menu and press on 'Upload Music' option.
Step 5. Import iTunes Music to Google Play by hitting the 'Select from your computer' button or directly drag & drop the iTunes music files to Google Play.
Step 6. Hit on 'Continue' and then you will be asked to add Google Plus Music extension to your browser.
Finally, please wait till the iTunes music files are uploaded successfully. The time it needs depends on the file size and the WiFi speed. Besides, Google Play Music will convert your iTunes music files into MP3 format while uploading.
Method 2. Transfer Music from iTunes to Google Play with Music Manager App

If you don't want to use the Google Chrome browser to upload iTunes music to Google Play. Then you could download the Music Manager app to do the job. Please check the steps below and see how to do.
Step 1. Download and install Music Manager app on your computer.
Step 2. Open the app and then sign into your Google account.
Step 3. Choose 'Upload songs to Google Play' option.
Step 4. Select 'iTunes' option to choose iTunes music to upload.
Step 5. Choose one option like 'Upload all songs and playlists' you like and hit on 'Continue' button.
After then, the iTunes music files will be synced to Google Play automatically.
How to Find Uploaded iTunes Music on Google Play
On Computer: Open the Google Play Music web app and go to 'Music Library' > 'Songs', then you can see the uploaded iTunes music files.
On Mobile Phone: Launch the Google Play Music app on your mobile phone. Then touch on the 'Library' icon at the bottom and hit the 'Songs'. At last, you will also find your iTunes music tracks.