Masters vs PhD: Which is Right For You?

PhD or Masters? It’s a tricky choice to make! There’s no one simple answer as both can be great choices and there are several angles to consider. In this post we’ll look at the differences between the two and compare various factors to consider when deciding between a Masters vs PhD.

Note – This post was a reader request. If you’d like me to cover any particular topics let me know here.

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Key Differences Between a Masters and a PhD

Before we delve into the details of what factors to consider in your decision, here is a brief summary of the main differences between Masters and PhD programmes:

Masters:

• Typically 1 year long (in the UK)
• You’re part of a cohort with course mates studying the same things as you
• There are different types of Masters: MRes, MSc, MEng etc. Sometimes they’re fully “taught” (i.e. all lectures and exams). Other times they’re “research” (lectures and a research project) or a mixture of both. Look at the syllabus of Masters courses you’re considering for details
• They cost money – unless you manage to secure a scholarship

PhD:

• 3-4 years long in the UK (and longer elsewhere)
• Always involve a significant research component: that’s all they are!
• Typically you’re not part of a cohort, the exception are CDTs (details here)
• Although PhDs cost money, it is not normal for STEM PhD students to personally pay for a PhD. Usually you’ll get funding which covers the fees plus pays a nice tax-free stipend. See my whole analysis of how PhD stipends compare to grad salaries

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Factors to consider when deciding between a Masters and a PhD

Now let’s dive into some specific comparisons of a Masters vs PhD:

• Financial cost
• Potential salary boost
• Opportunity gain
• Opportunity cost
• Difficulty

Masters vs PhD Cost

How much does a Masters degree cost in the UK

For Masters courses in the UK there are typically both tuition fees and bench fees. Bench fees are for covering costs involved with practicals and research experiments, including consumables and training.

In the UK, if you’re a home student you’ll often pay upwards of £11,500 for tuition fees. Overseas students may get charged £21,800 or higher. Bench fees can vary a lot, typically they may be around £5000.

The course page will usually list the cost of the Masters pretty clearly, see this example from Bristol:

In addition you will have living costs on top of these fees. You’ll therefore have to budget for all of this ahead of starting the Masters unless you’re planning to work while studying. If so, here are some ideas I put together for ways to make money as a student.

There are sometimes bursaries and scholarships available for Masters students so do look at your options. The university website should list the main funding options available to you. However in my experience the majority of Masters students tend to self-fund or take out a loan.

How much does a PhD cost in the UK

In theory a PhD would incur bench fees like a Masters. Yet unlike with Masters degrees, it is pretty rare to self-fund a PhD, at least in the sciences. Instead it is normal for prospective PhD students to try and secure funding.

Usually PhD students will only embark upon a project once funding has been secured for the duration of the project: often 3.5 years.

Typically a PhD student will secure funding both to pay for the university fees, plus a stipend to cover their living expenses. For the 2021/2022 academic year a typical annual PhD stipend is £15,609 per year outside of London, or £17,609 per year in London. To be clear: this is money you get paid for doing the PhD, not that you have to pay! On top of the stipend all other costs relating to the PhD also get covered by the funding body.

If you want to find out more about PhD funding, see my separate relevant posts here:

• How to Find PhD Funding in the UK
• PhD Student Salary in the UK: Comparing a PhD Stipend to a Grad Salary

I lived pretty comfortably on this kind of amount of money in London, so it’s certainly possible!

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Masters vs PhD Potential Salary Gain

If you’re considering a Masters or PhD to help you climb the career ladder more quickly, you may be wondering how much they could each boost your salary.

Whether or not a Masters or PhD is worth it for the potential salary gain really depends on what job you’re looking to go into. Generally, yes, the more highly qualified you are the more money you may be able to earn:

If you’re looking to boost your earning potential, from these US figures someone with a Masters could expect to earn approximately 18% more than someone with just a Bachelors degree. Furthermore, someone with a PhD may be able to earn 43% more than just a Bachelors. Therefore, on average PhDs earn 21% more than people with a Masters. There are loads of caveats though and this figure isn’t really comparing a like-for-like situation.

As a rule of thumb: if you’re going into a technical job, especially one requiring specialist knowledge you pick up from your studies, then you’re more likely get rewarded for your extra degree(s). Also notice how in the above figure across all workers the unemployment rate is lowest for those with PhDs. The unemployment for those with a Masters vs a PhD is 73% higher.

For certain companies and roles the more highly qualified you are the more they’ll reward you with a higher salary. Other companies, especially ones which wouldn’t utilise the skills from your degree, won’t pay you any higher than someone with a Bachelors degree.

There may be certain professions where getting a Masters or PhD are really beneficial for boosting your salary but I’d urge caution if this is your primary motivation for earning one of these degrees. This is especially true if you consider that instead of earning an extra degree you could spend your time gaining work experience on the job.

Consider looking up different potential employers you may be interested in working for to get a sense of whether your extra qualifications could secure you a higher salary. If the company is transparent with sharing salaries for different pay grades then you may be able to find details on their website. If not I suggest looking on glassdoor.

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Masters vs PhD Opportunity Gain

What opportunities open up to you by doing a Masters vs a PhD? How beneficial could either be for your career? We’ll consider categories:

• Technical knowledge
• Lab experience
• Independent thinking & problem solving
• Networking
• Student life

Technical knowledge

The obvious benefit to doing either degree is that you’ll gain expertise and knowledge in a certain technical topic. Not only may this be interesting to you in its own right but the degree can be used to demonstrate your technical know-how for your upcoming career. Either degree could help with your career prospects and enable you to potentially expand your horizons and go and work abroad. Though this depends a lot on your field and specific situation!

There is a quite obvious tradeoff between breadth and depth of technical knowledge between a Masters vs PhD.

A Masters degree is considerably shorter than a PhD, therefore your opportunity to pick up deep technical skills across the period of the programme is likely to be lower.

However, it is worth noting that Masters courses involve lectures, whereas in the UK PhDs don’t. Therefore it may actually be the case that with the Masters you’re picking up knowledge more quickly than the PhD. This does of course depend a lot on the skills you want to learn and how you work. Plus, you can sometimes go to lectures if you want as a PhD student. I’d say this one is a draw.

Practical lab experience

If you do a Masters involving a research project you’ll likely spend at most 4-6 months of the year in the lab. With a PhD you’ll spend considerably longer!

In the first year of a PhD you can try out different things and with the following years of a PhD you’re learning things at a much deeper level than a Masters. Though again, this depends quite a bit on what you’re trying to learn and why. For a lot of purposes you may gain enough practical experience in just a Masters project.

Independent thinking & problem solving

With either degree I think you’ll have ample opportunities to pick up new skills and challenge yourself to think independently.

A Masters is usually a little more like a Bachelors degree. By this I mean, besides your research project, the course leaders will be setting pretty well defined questions which often come with relatively well defined answers. When it comes to conducting research (for either degree) you’ll of course be answering questions for the first time and usually this will require some problem solving.

Compared to a PhD project a Masters research project is much smaller in scope and well defined. Plus, you’ll typically be paired with a more senior lab member (PhD student or postdoc) which doesn’t often happen for PhD students. There are also sometimes group projects for Masters degrees which adds another useful skill to the mix.

A PhD is the ultimate test of independence and problem solving. A lot of us see this as a fun challenge but bear in mind the importance of having a supporting supervisor. I wrote a separate post about choosing a PhD project and supervisor.

Networking

Masters Networking Opportunities

One perk of a Masters degree compared to a PhD is that you’ll always have a group of course mates with you. Not only can this be reassuring and give you social opportunities, it also means that you can network with like-minded individuals who are interested in the same topic as you. It is very easy to see how this could lead to starting a company with a course mate or business relationships later in your career.

PhD Networking Opportunities

PhDs on the other hand may be more solitary. It really depends on the group and department you join. If you join a small group with very few other PhD students it could be a much less exciting, and potentially more difficult, environment to be doing research in. Plus less people to bounce ideas off of and network with.

Some departments are very good at putting on social and networking events for their PhD students. Others less so. My PhD involved working in two different departments and each took very different approaches. One department had an annual research day and several parties throughout the year specifically for their PhD students. On top of that were lecture series’ plus Christmas and Summer parties for the whole department. The other department organised practically nothing.

PhDs do afford you more time to build connections with other researchers in the department and collaborations with other universities and institutions. In my PhD I spent time working with two other research groups in London (at UCL and the Royal Veterinary College) as well as the Natural History Museum. I doubt I’d have formed these connections through doing a Masters.

Student life

Whether it be a Masters or PhD, remember that you’ll be a student again. Therefore for either degree you can attend all student events on campus, join clubs and societies at the students’ union which could bring with it many opportunities to enrich your life. Of course a PhD gives you more time to enjoy these benefits!

Whichever degree you decide to go for, see my post about making the most of opportunities!

Also if you’re interested, I wrote: Do PhD Students Have a Social Life? Sharing My Experiences Making Friends and Avoiding PhD Loneliness

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Masters vs PhD Opportunity Cost

The main opportunity cost I can think of for either is the length of time that they take. If you’re trying to decide between a Masters or PhD, or perhaps even aren’t sure about doing either, I suggest thinking about what you’d otherwise be doing and what you’d like to do afterwards.

There is no getting around the fact that a PhD takes longer to complete than a Masters. Maybe that extra time spent deep in research is well spent, or maybe you’d be better off just doing a one year Masters degree and using that remaining time to progress a career in industry, start a business or make the most of some other opportunities.

It will come down to why you’re interested in doing either degree in the first place and what you’re hoping to do with your life afterwards.

If you enjoy research but are worried that a PhD would take too long, I don’t think you should worry too much. Firstly, I think enjoying research is reason enough to do a PhD. Secondly, in comparison to your whole career a PhD doesn’t really take up much time.

I don’t think that the time you’ll have spent doing a PhD would ever meaningfully take away from other things you could do with your life:

See my whole post about how long a PhD takes.

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Masters vs PhD Difficulty

How hard is a Masters?

I can’t speak for all Masters courses! How difficult you’ll find a Masters will depend a lot on the specific course and how different the topic is to your undergraduate degree. Of course if you’re jumping to a different field than your undergraduate degree you’d expect to find the Masters challenging!

What I can say is that there can be a lot of content to try and cram in during a one year Masters. The pace can be fast and there isn’t much time for you to digest the content before getting assessed on it. You have to be able to learn quickly and juggle lots of things going on at once, with regular assessments throughout the year. This is all in stark contrast to the PhD where you’ll usually have ample time to ensure you understand a concept well and there are few formal assessments to deal with.

How difficult is a PhD?

A PhD involves working independently on your own project for the whole duration of your studies. With this comes having to solve problems yourself and find the motivation to keep going with the project for several years. There is a component of luck as to how your project pans out but it is safe to say that a lot of people do go through difficult parts of their PhD related to these issues.

There are very few formal assessments throughout a PhD. Typically at around 9-12 months in, then 18-24 months in there are intermediate checkmarks and then the big one, the viva, right at the end. On the upside this means that you don’t need to worry about getting assessed on assignements or exams like with the Masters, but on the flip side it can be difficult to figure out how well you’re doing.

From what I’ve observed, some people who have difficulties during the project often face them because of a poor relationship with their PhD supervisor. I personally didn’t find my PhD hard, but that in part comes down to enjoying the content, having good supervisors and treating it like a 9-5 job. No you shouldn’t need to dedicate all your evening and weekends to it, and it doesn’t need to be a hellish experience.

Yes this is anecdotal but I also worked with many other postdocs and PhD students who shared their experiences with me. Also check out the PhD Profiles series for more insights.

See my much longer analysis about PhD difficulty here: How Hard is a PhD?

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Masters vs PhD: What did I do?

My own path from undergrad to PhD was made slightly more simple because I did a combined four-year undergraduate engineering degree which took me straight to a Masters qualification (MEng). Even so, I still wasn’t exactly clear on whether I wanted to a PhD or what topic it might be in. Therefore after graduating I worked for a few years whilst also putting out applications:

This gave me an opportunity to build up my experience and work in different fields, all while getting some more research outputs which were useful for PhD applications. If you want to read more about my journey, check out my PhD profile here. While you’re there, look at other PhD students’ journeys in the other PhD Profiles too.

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Masters vs PhD: Which is Right For You?

Whether you should do a Masters or PhD really comes down to: why are you interested in further study?

I would urge caution in getting extra degrees just to try and boost your salary. There are cases where this can pay off but consider what other work experience you could be getting outside of the university. A Masters for example will typically cost you money, whether it be eating up savings or through a loan, so do think carefully if you’re doing the degree for financial reasons.

If on the other hand you’re motivated to take on either degree because you’re interested in the topics and simply want to learn then go for it!

A Masters can be a nice introduction to a field, especially if you’re transitioning from a different Bachelor’s degree. Having lectures covering a wide variety of topics can get you up to speed and you can spend a few months on a research component if that’s what you fancy.

If you actively enjoy doing research and like the idea of spending three or four years exploring one topic then doing a PhD could be a nice option. Though I would suggest that for many people a PhD may be overkill and that for most career purposes a masters is probably enough!

If you’re wondering whether or not you need a Masters to do a PhD, see my separate post exactly about that topic here: Do You Need a Master’s To Do a PhD? TLDR: No you don’t necessarily need one in advance, and CDTs are another option to consider which combine the benefits of both. See details about CDTs here. If you are interested in research, and already know what kind of topic you’d like to spend several years studying, then I’d consider applying for a PhD without a Masters.

I know it can be difficult making these choices. Remember though that you don’t need to rush your decision. There is nothing wrong with working for a few years then coming back to do a Masters or PhD. That is what I did!

It might feel like you need a clear plan but you really don’t so please don’t let it stress you out too much! Whatever you decide I wish you all the best for your career.

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I hope this post has been useful if you’re trying to decide between a Masters vs PhD! If you have any other questions, feedback or suggestions be sure to let me know and I’ll try my best to help.