A PhD after a bachelor's degree will take approximately four additional years depending of the specific program of study and the credit load carried each semester. In addition, the length of time. How Long Will It Take to Get a Doctorate Degree? The length of time required to earn your degree depends on upon a variety of factors, including the type of degree you have selected, your educational background and the individual doctorate program in which you have enrolled. A bachelors degree is a four year program of study, a masters can be approximately two to three years of course work, and a PhD, can take approximately four years. Ho long it takes is dependent on. I am a math major taking a break from school. I've got one more year until I get my BS. I've already been accepted into the graduate school here. I'm wondering how long it will take me to get my master's. I'll have to go to a different school to get my Phd (if I even want to go that far). How long will that take? I'm confused because I've heard different numbers. 2. Professors will exploit you. It takes forever to earn a doctorate degree because graduate students are routinely treated like slaves. Grad students perform the grunt work that professors find. How Long Does It Take to Get a Ph.D. Degree? Earning a Ph.D. from a U.S. grad school typically requires nearly six years, federal statistics show. How Long Does It Take to Get a PhD? A PhD (Doctor of Philosophy) usually requires at least five to six years in an accredited graduate school. Many students might take seven to nine years to complete depending on exams, coursework and dissertations required. Which One Costs More? Because a PhD takes longer to complete, it usually costs more money. People who searched for How Long Does it Take to Get a PhD in Business? found the articles, information, and resources on this page helpful. How long does it take to get a PhD? A Ph.D., or Doctor of Philosophy, is among the highest of degree levels and takes 5-6 years to earn. The exact length depends on how much time you must spend on.