The ATAR Calculator
Australia Trusts
Estimate your Australian Tertiary Admission Rank using official scaling data. Select your state, enter your subjects and scores, and get your ATAR in seconds.
Select Your State
Each calculator uses your state’s official scaling method and aggregation rules.
How It Works
Why Students Use CalcATAR
What Is an ATAR?
The Australian Tertiary Admission Rank (ATAR) is a percentile ranking that tells universities where you sit relative to all Year 12 students in your state. An ATAR of 80.00 means you performed better than 80% of the Year 12 cohort. It’s not a score out of 100 — it’s a rank, and the distinction matters because the same ATAR can require very different raw scores depending on your state and the strength of the cohort that year.
Every Australian state and territory calculates the ATAR differently. Victoria uses VTAC scaled study scores, New South Wales uses UAC marks derived from HSC exams, Queensland uses QTAC inter-subject scaling, and the other states each have their own approach. The common thread: raw subject results go through a scaling and aggregation process before being ranked against every other student in the state.
Why You Need an ATAR Calculator
Get a quick ballpark in 30 seconds. The ATAR Estimator gives you a rough ATAR range without picking specific subjects — just enter your expected average and difficulty level. It’s the fastest way to see where you stand.
Predict your rank precisely. For a detailed calculation with specific subjects and official scaling data, use the full state calculators below. If you know roughly how you’re performing in each subject, you can estimate your ATAR months before December.
Make smarter subject choices. The scaling calculator shows exactly how switching one subject for another would change your ATAR. If you’re choosing subjects for next year, this is the most useful feature on the site.
Understand how scaling affects you personally. Our scaling visualisation shows you exactly how each of your subjects is adjusted, so you can see the real impact rather than relying on rumour.
ATAR Systems by State
| State | Certificate | Admissions | Key Method |
|---|---|---|---|
| Victoria | VCE | VTAC | Cohort-based scaling, best 4 + 10% of 5th and 6th |
| NSW | HSC | UAC | HSC + assessment alignment, best 10 units |
| Queensland | QCE | QTAC | Inter-subject scaling, best 5 General subjects |
| Western Australia | WACE | TISC | Best 4 + LOTE and Maths bonuses (unique to WA) |
| South Australia | SACE | SATAC | Equal Achievement Principle, best 90 credits |
| Tasmania | TCE | UTAS | Best 5 pre-tertiary subjects into TES out of 75 |
| ACT | BSSS | UAC | AST-moderated course scores, best 3 + 0.6 of 4th |
| Northern Territory | NTCET | SATAC | Same SACE/SATAC system as South Australia |
Cross-state applications: If you’re applying to a university in a different state, your ATAR is automatically converted to an equivalent rank. The admissions centres handle inter-state comparison automatically.
Understanding ATAR Scaling
Scaling is the part of the ATAR process that confuses students the most. The admissions centres look at how students in each subject performed across all their other subjects. If Chemistry students tend to score highly in everything else they take, the Chemistry cohort is academically strong — and Chemistry scores get adjusted upward. If a subject’s cohort tends to perform below average elsewhere, scores adjust down.
Scaling reflects cohort strength, not subject difficulty. The single most important rule: a high raw score in a lower-scaling subject will almost always beat a mediocre score in a high-scaling subject. Pick subjects you’ll do well in first, then consider scaling as a tiebreaker. Use the ATAR Scaling Calculator to compare subjects side by side across any state.
When to Use Each Tool
Year 10 students choosing subjects: Start with the quick estimator to see your ballpark range, then try the full calculator with different subject combinations to compare scaling effects.
Year 11 students planning Year 12: Use the estimator for a fast check, then enter your current trajectory scores into the full state calculator to test whether your subject lineup is optimised.
Year 12 students after trial exams: Skip the estimator — go straight to the full state calculator. Enter your trial results and get the most accurate preview of December.
Results day: Compare your actual scores against the full calculator’s output to understand exactly how scaling affected your results.