It can take as few as 12 months to earn a diploma in practical nursing, as opposed to approximately 2-3 years to earn an associate or bachelor's degree in nursing (ADN/ASN or BSN). Learn more about how to become an LPNExplore Now Other Questions Can I become a geriatric nurse practitioner? What's the next career step after medical assisting? Are hospitals hiring nurses with associate degrees? How much does the Herzing MBA program cost?