How many years does it take to become a respiratory therapist?

It takes a minimum of two years to become a respiratory therapist. It takes roughly two years at the minimum to become a respiratory therapist, as you will need an associate's degree at minimum. That being said, most employers favor candidates who have a bachelor's degree in the field, which takes four years to complete.

Along with 2-4 years of college, respiratory therapists must also have hands-on clinical experience to become licensed. They must also pass a credentialing exam to acquire a license to practice in their home state.