The 30-month rolling window to pass all four CPA Exam sections means that for every candidate who passes, another lets their hard-earned credits expire. Many candidates assume a generic "100 hours per section" is a safe bet, but this flawed math is the primary reason they run out of time. The real trap isn't the volume of material; it's failing to budget for the true difficulty of each section, especially the new, more demanding Disciplines.
Successful candidates dedicate 350-450 total hours to pass the CPA Exam. This breaks down to 100-120 hours for FAR, 80-100 for REG, 70-90 for AUD, and a surprisingly demanding 80-120 hours for your chosen Discipline section.
Key facts
- Passing Score: 75 (on a 0-99 scale)
- Core Sections: Financial Accounting & Reporting (FAR), Auditing & Attestation (AUD), Regulation (REG)
- Discipline Sections: Business Analysis & Reporting (BAR), Information Systems & Controls (ISC), or Tax Compliance & Planning (TCP)
- Passing Window: You must pass all four sections within a 30-month rolling window from the date you pass your first section.
- Scheduling Prerequisite: You must obtain a Notice to Schedule (NTS) from your state board before you can schedule an exam. An NTS is typically valid for six months.
- Testing Windows: Continuous testing is available, but score releases occur in scheduled waves, not instantly.
- Total Fees (approx.): $1,200-$1,500 for all four exam sections, plus state-specific application fees ($50-$250+).
- Official Body: American Institute of Certified Public Accountants (AICPA)
Total CPA study hours: the real numbers
Successfully passing the CPA Exam requires a commitment of 350-450 total study hours. This updated range reflects the 2024 CPA Evolution, which shifted significant advanced content into the Discipline sections, making them more rigorous than their predecessors. This isn't just about watching lectures; this is active study time spent on practice questions, simulations, and deep review. Try VoraPrep's free CPA practice questions to see the level of application required.
Many candidates get anchored to outdated advice. The idea of "100 hours per section" is a dangerous oversimplification. The sections are not weighted equally in terms of difficulty or breadth. A candidate budgeting 80 hours for the BAR discipline will likely be unprepared for its depth.
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A realistic time budget is the foundation of a successful attempt. Here’s a more accurate breakdown for a candidate planning their 2026 exam schedule:
| CPA Section | Recommended Study Hours | Approximate % of Total Time | Key Challenge |
|---|---|---|---|
| FAR | 100-120 | 25-30% | Breadth of GAAP, Governmental, NFP rules |
| REG | 80-100 | 20-25% | Detail-oriented tax law & basis calculations |
| AUD | 70-90 | 15-20% | Conceptual judgment & risk assessment |
| Discipline (BAR, ISC, TCP) | 80-120 | 25-30% | Deep specialization & advanced application |
| Total | 330-430 hours | 100% |
This table reflects a critical reality: your chosen Discipline is now a heavyweight section, often demanding as much or more time than FAR. Your personal range will vary, but underestimating the time commitment is the most common path to a failing score.
Study hours by CPA section
Each section tests a different skill. FAR tests your knowledge base, AUD tests your judgment, REG tests your application of rules, and the Disciplines test your ability to go deep.
Financial Accounting & Reporting (FAR): 100-120 hours
FAR remains a beast due to its sheer breadth, covering U.S. GAAP for businesses, governmental entities, and not-for-profits. It requires 100-120 hours. You'll tackle leases (ASC 842), revenue recognition (ASC 606), consolidations, and statement of cash flows. The most common mistake is under-allocating time to governmental and NFP accounting, which use a completely different basis of accounting and can feel like learning a new language. For a deeper look, our guide on measurement focus and basis of accounting is essential.
Auditing & Attestation (AUD): 70-90 hours
AUD is the section that most tests your professional judgment, requiring 70-90 hours. It's less about calculation and more about understanding risk, evidence, and reporting standards. Success hinges on internalizing the why behind audit procedures. The key standards are the AICPA's AU-C sections for audits of nonissuers and the PCAOB standards for audits of issuers. A common trap is memorizing the wording of audit opinions without understanding the specific conditions (e.g., materiality and pervasiveness) that trigger a qualified versus an adverse opinion.
Regulation (REG): 80-100 hours
REG demands 80-100 hours to master federal taxation, business law, and ethics. This section is all about applying specific, detailed rules from the Internal Revenue Code (IRC) and Treasury Circular 230. You must be precise. Basis calculations, income recognition, and deduction limitations are constant themes.
Let's walk through a classic REG trap: the Qualified Business Income (QBI) deduction under IRC §199A.
Worked Example: Calculating the QBI Deduction (IRC §199A) Scenario: Sarah, a single filer in 2026, operates a marketing firm (a specified service trade or business, or SSTB).- Her Qualified Business Income (QBI) is $170,000.
- Her share of W-2 wages paid is $60,000.
- Her unadjusted basis immediately after acquisition (UBIA) of qualified property is $100,000.
- Her taxable income before the QBI deduction is $200,000.
- Identify the Business Type and Income Level: Sarah is in an SSTB and her taxable income ($200,000) is within the phase-out range ($191,950 - $241,950 for single filers in 2024). This means her QBI deduction is limited.
- Calculate the Tentative QBI Deduction: This is 20% of QBI, or $34,000.
- Calculate the W-2 Wage / UBIA Limitation: This is the greater of:
- 50% of W-2 wages: $60,000 * 50% = $30,000
- 25% of W-2 wages + 2.5% of UBIA: ($60,000 25%) + ($100,000 2.5%) = $15,000 + $2,500 = $17,500
- The greater amount is $30,000.
- Determine the Reduction Amount: The difference between the tentative QBI and the wage limit is $34,000 - $30,000 = $4,000.
- Apply the Phase-Out Percentage: Sarah's income is $8,050 into the $50,000 phase-out range ($200,000 - $191,950). The phase-out percentage is $8,050 / $50,000 = 16.1%.
- Calculate the Final Deduction: The tentative deduction is reduced by the phased-out limitation amount.
- Reduction: $4,000 (from step 4) * 16.1% (from step 5) = $644.
- Final QBI Deduction: $34,000 (tentative) - $644 (reduction) = $33,356.
The examiner is testing your ability to follow the precise statutory sequence of IRC §199A, not just a simple percentage. For a full breakdown, see our guide on CPA Regulation: Qualified business income (199A).
Discipline (BAR, ISC, or TCP): 80-120 hours
The Discipline you choose is a deep dive, not a light elective. It requires 80-120 hours of focused effort.
- Business Analysis and Reporting (BAR): This is the new FAR. Many consider it the most difficult section on the exam. It takes advanced FAR topics like business combinations, derivatives, and complex financial instruments and goes deeper. If you budget less than 100 hours for BAR, you are setting yourself up for failure.
- Information Systems and Controls (ISC): This section focuses on IT governance, cybersecurity, and data management. It's less about technical accounting and more about understanding control frameworks like COBIT and the role of IT in a modern audit.
- Tax Compliance and Planning (TCP): This is REG on steroids. It covers advanced individual and entity tax planning, multi-jurisdictional tax issues, and personal financial planning. It's a must for anyone serious about a career in tax. You'll see topics like Qualified Opportunity Zones in much greater detail.
Realistic study schedules (and the 30-month clock)
Your study schedule is governed by one master rule: the 30-month rolling window. Once you pass your first section, a 30-month timer starts. You must pass the remaining three sections before that timer runs out, or your first passed section credit expires. This makes strategic scheduling critical.
Working full-time: 15-20 hours/week (target 12-18 months total)
This is the most common path. You study 2-3 hours on weeknights and put in a solid 4-6 hours on Saturday and Sunday. This pace allows you to pass all four sections well within the 30-month window without burning out.
Sample Weekly Schedule:- Mon - Thurs: 7:00 PM - 9:30 PM (2.5 hours) = 10 hours
- Friday: Rest or light review
- Saturday: 8:00 AM - 2:00 PM (5 hours, with breaks)
- Sunday: 2:00 PM - 6:00 PM (4 hours)
- Total: 19 hours
Part-time/flexible work: 25-30 hours/week (target 6-9 months total)
If you have more flexibility, you can accelerate your timeline. This pace is intense but allows you to maintain momentum and finish well before the 30-month window becomes a concern.
Check Your State’s Exact CPA Exam Requirements
Every state has different credit hour, ethics, and residency rules. Use our 55-jurisdiction checker to verify your eligibility before applying.
Full-time study: 40+ hours/week (target 3-5 months total)
For recent graduates or those between jobs, this sprint approach is highly effective. Treating your studies like a full-time job compresses the timeline, which can be great for retention. The key is to maintain structure and avoid burnout.
How to reduce total study time (without cutting corners)
Making your study hours more efficient is the key to passing faster. It’s about the quality of your effort, not just the quantity.
Use adaptive learning to target weaknesses
The biggest waste of time is re-studying concepts you already know. VoraPrep’s adaptive learning engine diagnoses your weak areas based on your performance on practice questions. It then serves you more questions and content on those specific topics, letting you skip what you’ve mastered. This surgical approach can easily cut dozens of hours from your total study time.
Master active recall and spaced repetition
Passive learning—like re-watching lectures or re-reading a textbook—is incredibly inefficient. Active recall forces your brain to retrieve information, which is how memory is built. Spaced repetition systematically re-introduces topics just before you're about to forget them.
- Active Recall: Instead of re-reading, do a set of 30 MCQs. For every question, force yourself to explain why the right answer is right and why the wrong answers are wrong.
- Spaced Repetition: Use digital flashcards or simply schedule a 30-minute review every three days to revisit topics from the prior week.
Know when to move on vs. when to drill deeper
Perfectionism is a time-killer. You don't need a 100% score on practice quizzes to pass the exam.
- Move on when: You are consistently scoring 75-80% on a topic's MCQs and understand the logic. The goal is proficiency, not perfection.
- Drill deeper when: You are scoring below 70% or find yourself guessing. This is a signal to stop doing questions, go back to the source material, and truly learn the concept. Our 24/7 Vory tutor can help you break through these sticking points quickly.
Study hours vs. pass rates — what the data shows
While the AICPA doesn't release data correlating study hours to pass rates, the 49-55% average pass rate tells a clear story: about half of candidates are underprepared.
The minimum effective dose of study
There is a floor for each section below which your chances of passing are slim. For a section like BAR, that floor might be 80 hours; for AUD, perhaps 60. These are not targets. They are the bare minimum needed to even be competitive. The successful candidates are the ones who put in the extra 20-40 hours of practice and review on top of that minimum.
Beware of diminishing returns
There is also a ceiling. Studying 200 hours for FAR is not twice as good as studying 120 hours. Past a certain point, you hit diminishing returns. You start to burn out, overthink simple questions, and your retention plummets. The goal is to hit the sweet spot of complete preparation without tipping into exhaustion.
Focus on quality over quantity
Ten hours of focused, active study is worth more than 20 hours of distracted, passive reading. The quality of your study tools matters immensely. You need a large bank of exam-level questions with crystal-clear explanations that teach you the underlying concepts. That's how you learn to think like the examiner, which is what VoraPrep's entire system, with over 9,500 questions, is designed to do.
Frequently asked questions
Can you pass the CPA exam studying 10 hours a week?
It is highly unlikely for the average candidate. At 10 hours per week, it would take nearly a year to prepare for all four sections. This slow pace makes it extremely difficult to retain information and creates a high risk of having your passed credits expire under the 30-month rule.How many months does it take to pass all 4 CPA sections?
Most candidates working full-time pass all four sections in 12 to 18 months. This timeline allows for a manageable 15-20 hours of study per week. More aggressive schedules can shorten this to 6-9 months, while a full-time study approach can achieve it in 3-5 months.What is the 30-month rule for the CPA Exam?
Once you pass your first section of the CPA Exam, you have 30 months to pass the remaining three sections. If you do not pass all four within this window, the credit for your first passed section expires, and you must retake it. This rule was extended from 18 months in 2024.Do I need to pass an ethics exam too?
Yes, most state boards of accountancy require candidates to pass a separate ethics exam to become licensed, even after passing the four-part Uniform CPA Exam. This is typically the AICPA's Professional Ethics Exam, and it's a critical final step for licensure.---
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