IB Physics HL Grade Boundaries 2025 (Timezone 0): Complete Breakdown
There’s a specific kind of silence that hits right after you finish an IB Physics HL practice paper. Not the calm kind. The math-is-still-running-in-your-head kind. And then the next thought shows up: “Okay… but what score do I actually need?”
That’s what IB grade boundaries are for. They turn your raw marks into the final grade universities see. And if you’re preparing for 2025 IB Physics HL in Timezone 0, knowing the boundary ranges helps you set targets that are realistic, strategic, and calming in the best way.
Below is the complete breakdown (Timezone 0), plus a simple way to use these IB boundaries to plan your revision.
Quick checklist: how to use IB grade boundaries (not fear them)
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Save the IB Physics HL boundary table somewhere you can check in 10 seconds.
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Translate each boundary into a “buffer goal” (aim 5-10 marks above your target grade).
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Identify the component where you can gain marks fastest (often Paper 1 technique or Practical Work clarity).
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Build a weekly loop: notes, then questions, then feedback, then reattempt.
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Use timed practice early so boundaries don’t surprise you later.
If you want a broader view across subjects and sessions, keep IB Grade Boundaries bookmarked and use the IB Grade Calculator to sanity-check targets.
IB Physics HL grade boundaries 2025 (Timezone 0)
These are the boundary ranges for each component and the final grade. Treat them like a map: they show where “good” becomes “very good,” and where a small improvement flips your result.
Paper 1 (MCQ) grade boundaries (out of 40)
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Grade 7: 25-40
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Grade 6: 21-24
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Grade 5: 18-20
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Grade 4: 15-17
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Grade 3: 13-14
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Grade 2: 11-12
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Grade 1: 0-10
Paper 2 grade boundaries (out of 90)
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Grade 7: 61-90
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Grade 6: 51-60
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Grade 5: 40-50
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Grade 4: 30-39
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Grade 3: 19-29
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Grade 2: 9-18
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Grade 1: 0-8
Paper 3 grade boundaries (out of 45)
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Grade 7: 31-45
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Grade 6: 27-30
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Grade 5: 23-26
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Grade 4: 19-22
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Grade 3: 11-18
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Grade 2: 6-10
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Grade 1: 0-5
Practical Work grade boundaries (out of 24)
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Grade 7: 20-24
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Grade 6: 17-19
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Grade 5: 14-16
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Grade 4: 11-13
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Grade 3: 7-10
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Grade 2: 4-6
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Grade 1: 0-3
Final IB Physics HL grade boundaries (out of 100)
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Grade 7: 69-100
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Grade 6: 58-68
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Grade 5: 48-57
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Grade 4: 38-47
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Grade 3: 25-37
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Grade 2: 14-24
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Grade 1: 0-13
What these IB boundaries mean for your revision plan
A helpful way to think about IB boundaries is this: they reward clean marks, not heroic suffering.
Build a “buffer target,” not a minimum target
If the grade 7 boundary starts at 69/100, don’t aim for 69. Aim for 75-80 in your own tracking. In IB Physics HL, small things add up: missed units, vague uncertainty comments, a skipped explanation line.
Use Paper 1 to buy yourself time
Paper 1 is often where you can gain marks quickly by improving decision-making: eliminate options, estimate orders of magnitude, and avoid “over-solving.” On RevisionDojo, you can drill this with the IB Physics Questionbank and tighten weak areas like A.1 Kinematics or A.2 Forces and Momentum.
Treat Paper 2 like a writing task (with numbers)
Paper 2 rewards structure: state the principle, write the equation, substitute carefully, and finish with units and sensible rounding. If you want a faster content refresh, start from the IB Physics Revision Notes and pair them with targeted practice.
Why RevisionDojo helps you turn boundaries into results
Knowing the IB boundaries is step one. Converting them into a score increase is step two.
RevisionDojo is built for that second step: you move from understanding to performance with the Questionbank, Study Notes, and Flashcards, then stress-test your readiness with Predicted Papers and Mock Exams in realistic timing. When you get stuck, AI Chat helps you unjam a concept fast, and Grading tools help you see what examiners actually reward. If Practical Work is your weak point, the emphasis on method clarity, data handling, and evaluation can be trained like any other skill.
Start with the central hub, IB Physics Resources, and if you want a quick confidence boost, skim the Physics Cheatsheets before doing practice sets.
FAQ
Why are IB grade boundaries different for each paper?
In IB Physics HL, each component measures a different kind of thinking, so boundaries aren’t identical across papers. Paper 1 rewards recognition and fast decision-making under pressure. Paper 2 leans into multi-step problem solving, method marks, and explanation quality. Paper 3 and Practical Work tend to capture experimental reasoning, data analysis, and clarity about uncertainties and limitations. Because difficulty and performance vary by component, the IB sets boundaries that better reflect how students actually did on each part. The result is a grading system that aims to stay fair even when one paper feels unusually harsh.
How is the final IB Physics HL grade calculated?
Your final IB grade is based on a combined total mark out of 100 after component weighting is applied. That’s why a single strong performance rarely “saves” a consistently weak area. If you do well on one paper but drop easy marks elsewhere, the total can still land you below your target boundary. The smartest approach is balance: raise your floor across all components while keeping one or two strengths sharp. Use the IB Grade Calculator to test different scenarios and see where your effort creates the biggest return. Once you see the numbers, your revision plan becomes calmer and more specific.
Which component is usually hardest for IB Physics HL students?
Many IB students find Paper 2 the hardest because it’s long, multi-step, and punishes small slips like missing units or unclear reasoning. It’s also the paper where stress can turn a simple question into a time sink. But “hardest” often just means “most trainable with feedback.” If you do weekly timed sets and review mistakes the next day, your speed and accuracy improve fast. RevisionDojo’s Questionbank plus examiner-style explanations help you build that loop without guessing what you did wrong. The goal is not perfection, but fewer repeated errors.
Closing: use IB boundaries as a compass
The healthiest way to treat IB Physics HL grade boundaries is as calibration, not prophecy. In Timezone 0, these 2025 ranges tell you what “a 6” or “a 7” looks like in raw marks, component by component. Your job is to build a buffer and collect the marks that are easiest to earn consistently.
If you want a single place to do that, RevisionDojo gives you the full system: Study Notes, Flashcards, the Questionbank, AI Chat, Predicted Papers, Mock Exams, plus Grading tools and Tutors when you need extra support. Bookmark the boundaries, pick one weak topic today, and start building your margin the smart way, the very IB way.