In addition to Jobin's comment, in case you're also interested in checking at steps to perform the migration yourself, you may refer to https://www.atlassian.com/git/tutorials/migrating-overview/ which is a guide step-by-step to perform the migration.
If you're using Bitbucket Server for hosting your Git repositories, then SVN Mirror add-on for Bitbucket is the best way to migrate your SVN projects:
In case you're not going to use Bitbucket Server, take a look at SubGit which is command-line tool (SVN Mirror add-on relies on SubGit to provide import and mirror functionality).
I’m Jess, a Product Marketer for Jira Software Server and Data Center, and now a huge fan of our products. Read on for a 90 day, new-hire perspective on what it’s like to standardize on the Atlassian...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs