How many hours per week for MRCEM Primary

You have a date in your diary, a Pearson VUE booking confirmation, and a rota that does not care. The question is not whether you will study. It is how much, how often, and whether the plan you have sketched on the back of an envelope is actually survivable.

TL;DR. Most candidates who pass the MRCEM Primary first time put in 15-25 hours per week for about 3 months, or 8-12 hours per week stretched over 6 months. The minimum viable load is around 10 hours per week for 12 weeks if your basic sciences are still fresh from medical school. Anything under that and you are gambling. Anything above 30 hours per week alongside a busy ED rota is usually unsustainable for more than a few weeks before sleep, mood, or the rota itself break the plan.

This is a peer-to-peer breakdown of what realistic weekly hours look like at different points in the run-up, where the time actually goes, and how to keep a schedule going when you are doing twilights, weekends, and a couple of long days on the trot. Facts last verified 30 May 2026.

How much do I actually need to study each week?

The honest answer is that it depends on three things: how recently you covered the basic sciences, how much time you have until the exam, and how much of your week is owned by clinical work. The Royal College of Emergency Medicine sets no recommended study hours for the MRCEM Primary – the exam is 180 single best answer questions over three hours, mapped to the 2010 Basic Sciences Curriculum, and the College leaves preparation entirely to you.

Pulling together candidate accounts from r/doctorsUK, r/MRCEM, study groups, and the published guidance from Bromley Emergency Courses and Dr Robert Lloyd, three rough patterns emerge:

• The 3-month sprint: 15-25 hours per week. This is the most commonly cited pattern from successful candidates. One Reddit account described it as “two or three months of evenings and weekends” – which works out at roughly 18-22 hours per week if you protect your post-shift evenings and most of your days off.
• The 6-month slow burn: 8-12 hours per week. Lower intensity but you have to actually hold the line for 24 consecutive weeks. Most candidates who choose this route underestimate how much will fall off in the middle.
• The 4-5 hour daily push: Roughly 28-35 hours per week for 8-12 weeks. Common in IMG group accounts. Works if you can compress clinical commitments or are on study leave – usually painful otherwise.

What does a realistic weekly schedule look like alongside a full ED rota?

A standard UK ED rota gives you, on average, three to four “free” days per week, but they are not evenly distributed. After a run of late shifts you will sleep until lunchtime and be useless until 5 pm. After a night you will lose two days, not one. After a long day you will not open a textbook even if you promised yourself you would.

A schedule that survives contact with the rota usually looks something like this:

• Pre-shift mornings (early shifts): 0 hours. Don’t try.
• Post-shift evenings (early shifts ending 4 pm): 1.5-2 hours of question practice. Low cognitive load, no new learning.
• Late shifts: 0 hours on the day. Maybe 1 hour the following morning before the next late.
• Nights: Write off the night plus the recovery day. Plan zero study.
• Days off after a normal stretch: 4-6 hours, split into two blocks with a real break in between.
• Weekend off (rare): 6-8 hours per day if you are in the intense phase, with one half-day completely off.

That tends to add up to 15-20 hours in a typical working week and 25+ in a week with two days off and no nights. If you are doing LTFT training, the maths shifts – you usually have one more reliable study day per week, which is enough to drop your intensity without dropping your total hours.

Months-out, weekly hours, and what to cover – a planning table

Use this as a starting frame, not a prescription. Adjust to your starting knowledge and rota.

Is 10 hours a week enough?

Just about, with conditions. Ten hours a week for three months is 120 hours total – enough to grind through a 2,500-question bank twice if you are efficient. That is roughly the minimum viable dose for someone whose anatomy and physiology are still reasonably accessible from F1 or F2 days.

If your foundation is rustier than that – more than two or three years since you last looked at the brachial plexus – 10 hours a week is too thin. You will spend most of those hours learning content for the first time and have nothing left for question practice or weakness-focused revision in the final month.

Is 30+ hours a week realistic or just performative?

It is realistic for two to four weeks. Possibly six if your rota cooperates. Beyond that, the cost shows up in your shifts: slower decisions, missed patients, irritability with colleagues, and the sort of small mistakes that come from cognitive exhaustion. Several of the candidates posting accounts of 4-5 hours a day every day are doing it on protected study leave, not stacked on top of a full clinical week.

If you do need to go heavy for a final push, plan a real rest day each week – not “I’ll just do questions for an hour” – or you stop retaining what you are revising.

Where do the hours actually go?

A useful rule from candidates who have passed first time: by the end, you should be spending at least 60% of your study time on questions, not on reading. The split tends to evolve like this:

• Months 6-4: 70% reading and notes, 30% questions. You are mostly building content.
• Months 3-2: 40% reading, 60% questions. You are converting content into recall.
• Final 6 weeks: 20% targeted reading, 80% questions and mocks.

People who plateau in mock scores almost always have the ratio wrong – too much textbook, not enough active recall. SBA reasoning is a skill of its own and you only get it from questions.

Which subjects deserve the most hours?

The exam blueprint is heavily weighted toward anatomy and physiology – 60 questions each out of 180. Pharmacology accounts for 24, with the remaining ~36 split between microbiology, pathology, and evidence-based medicine. Roughly speaking:

• Anatomy (~33%): Allocate one-third of your total study time. Prioritise upper limb, lower limb, then head and neck. Use TeachMeAnatomy alongside the curriculum.
• Physiology (~33%): Another third. Cardiovascular and respiratory carry disproportionate marks relative to how much you have to learn. Endocrine and renal are dense but high-yield.
• Pharmacology (~13%): Mechanism, side effects, key interactions. Do not memorise dosing.
• Microbiology, pathology, EBM (~21% combined): Easier to compress. EBM in particular is two days of focused revision for guaranteed marks – do not skip it.

How do I protect study time when the rota changes?

Three things help when the rota will not behave:

1. Anchor questions to time-of-day, not day-of-week. “30 questions every morning with coffee” survives a rota change. “Two hours every Tuesday evening” does not.
2. Use micro-blocks aggressively. Twenty minutes between handover and a quick lunch is 15-20 questions. Three of those a day is meaningful weekly volume that does not feel like study.
3. Bank hours in advance, not after. If you know a brutal week is coming, do the extra hours the week before, not the week after. Recovery rarely happens in real life.

For more on this, see our guide on revising while working full-time in ED.

Do I need a revision course on top of self-study?

You do not need one. Most candidates pass without. What a course buys you is two things: a forced reckoning with how much you do not yet know (the “exam fear” Dr Lloyd describes), and a structured run through the curriculum in a few intensive days. If you tend to drift on your own plan, that structure is worth the money. If you are disciplined and the hours are already going in, it is optional.

Frequently asked questions

How many hours did most successful candidates study for MRCEM Primary?

The most commonly cited number from candidate accounts is between 200 and 350 total hours of focused preparation. That maps to roughly 15-25 hours per week for 12 weeks, or 8-12 hours per week for 24 weeks. Outliers exist in both directions, but a target of 250 hours over three months is a reasonable benchmark.

Can I pass the MRCEM Primary studying only on weekends?

Possibly, if your weekends are genuinely free and you can do 8-10 hours both days. That is 80-100 hours a month, which gets you to a passable total over three months. The risk is the rota – you will rarely get every weekend off, so plan to use evenings too.

How early should I start preparing?

Three months out if your basic sciences are still accessible. Six months out if they are not, or if you know your weekly hours will be unreliable. Earlier than six months tends to lead to forgetting what you covered in the first months by the time the exam arrives.

Is it possible to pass the MRCEM Primary in one month?

For most candidates, no. A month of intense study at 35-40 hours per week is around 150 hours total – achievable only on dedicated study leave and only if your starting knowledge is already strong. Pass rates for crammed preparations are well below the average.

How many practice questions should I have done by exam day?

Aim for 3,000-5,000 questions completed at least once, with the questions you got wrong revisited at least twice. Most major question banks have around 2,500 questions; doing the bank twice plus a second source covers the ground.

Does doing nights affect how much I can study?

Yes. Plan to lose the night plus the following day. A run of four nights typically costs you a full week of meaningful study. If your rota has a heavy night block in the final six weeks, request a swap or build that loss into your plan early.

Should I take annual leave before the exam?

A week of leave before the exam is one of the highest-yield decisions you can make. Two full days of timed mocks, two days of targeted revision on your weakest topic areas, then a real rest day immediately before the exam. If you cannot get the full week, even three days helps.

What if I am studying for MRCEM Primary and another exam at the same time?

Avoid it if you can. The Primary syllabus is broad enough that splitting attention with another exam usually costs you both. If unavoidable, drop one to maintenance-only (one hour a day of light revision) and put your full hours into the nearer exam.

How do I know if I am studying enough?

Mock scores are the only honest measure. By six weeks out you want to be hitting around 60% on full-length mocks. By two weeks out, 65-70%. If you are below 50% at six weeks out, you need more hours or a change of approach – usually both.

What is the single biggest mistake candidates make with their schedule?

Front-loading reading and leaving questions for the last few weeks. Question practice should start in week one and ramp up. You learn the exam by doing the exam.

Should LTFT trainees follow a different plan?

The total hours are similar. The distribution shifts – you get more reliable study days per week and fewer total clinical hours to recover from. See our LTFT revision plan for a worked example.

How do I avoid burning out three weeks before the exam?

Plan rest into the schedule the same way you plan study. One full day off per week, no exceptions, all the way through. Tapered hours in the final week. Sleep is part of the plan, not what you sacrifice for it.

Next step

The honest answer to “how many hours” is whatever number you can actually hold for the months between now and the exam. A plan you stick to at 12 hours a week beats a plan you abandon at 25. Build the schedule around the rota you have, not the rota you wish you had.

For structured question banks, mock exams, and topic-by-topic content aligned to the RCEM Basic Sciences Curriculum, visit emfinalexams.com.

Facts last verified 30 May 2026.

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