Question: how to tell your parents you are ready to move out?
Answer: Be Prepared. Your parents will have plenty of questions to test your preparedness, so you need to come prepared with answers. ... 
Let mom know how you came to your decision. ... 
Have all the details on your roommates. ... 
Walk your mom through your finances. ... 
Have a moving plan. ... 
Leave on good terms. ... 
Tell her when you will return.