This tutorial video will show you how to export WooCommerce products to Google Shopping using WP All Export Pro. Read more about WP All Export Pro here: http://www.wpallimport.com/export/
First, choose to export WooCommerce Products. Then, in the Export Type pulldown, select Feeds › Google Merchant Center. Here you'll configure your export based on how you'd like your data to be presented in Google Shopping. Read more about creating a Google Shopping product feed: http://www.wpallimport.com/tour/woocommerce-google-shopping/
Once you've run your export you will be presented with instructions on how to upload WooCommerce products to Google Merchant Center.
Try the free version of WP All Export here: https://wordpress.org/plugins/wp-all-export/
