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 What are the typical job duties in medical office administration? How can you become a traveling sterile processing technician? How hard is it to become a dental hygienist? Is an interdisciplinary studies degree worth it?