Estimate your ATAR by Australian state credential
Enter your study scores out of 50 for each VCE subject. English (or EAL or Literature) is mandatory. The aggregate uses your top 4 study scores plus 10 percent of any additional scores.
ATAR percentile bands reference
| ATAR Range | Percentile Band | UK Class Equiv. | Typical Cut-offs |
|---|---|---|---|
| 99.00 and above | Top 1 percent | First Class | Combined Law, competitive Medicine |
| 95.00 to 98.99 | Top 5 percent | First Class | Medicine, competitive Engineering |
| 90.00 to 94.99 | Top 10 percent | First Class | Engineering, Commerce honours |
| 80.00 to 89.99 | Top 20 percent | Upper Second (2:1) | Go8 general Bachelor |
| 70.00 to 79.99 | Top 30 percent | Upper Second (2:1) | General Bachelor, regional unis |
| 50.00 to 69.99 | Top 50 percent | Lower Second (2:2) | Pathway programs, foundation |
| 30.00 to 49.99 | Bottom 70 percent | Third Class | TAFE-to-degree articulation |
| Below 30.00 | Bottom 30 percent | Pass | Mature-age, alternative entry |
ATAR is a percentile rank between 0.00 and 99.95 (top 0.05 percent). The bands above reflect typical Year 12 cohort distribution; UK class equivalents are approximate mappings used by WES (World Education Services) for credential evaluation. Cut-offs vary by year, course, and university; always verify against the current UAC Cut-off Report or VTAC Course Search.
How the ATAR Calculator Works
The ATAR calculator above estimates your Australian Tertiary Admission Rank from your Year 12 subject scores. Select your state credential at the top (VCE for Victoria, HSC for NSW and ACT, QCE for Queensland, SACE for South Australia and Northern Territory, WACE for Western Australia), enter your scores in the format your state uses, and the calculator returns your estimated ATAR between 0.00 and 99.95, the percentile band it sits in, and the cross-equivalent on the Australian 7-point GPA, US 4.0 GPA, and UK degree classification scales.
Each state Tertiary Admission Centre (TAC) calculates the official ATAR after Year 12 results land, and the exact aggregate formula varies by state. VCE counts the top 4 study scores fully plus 10 percent of any additional scores; HSC uses the best 10 units; QCE sums the top 5 General subject scaled scores; SACE counts the best 90 credit points; WACE adds the best 4 ATAR-course scaled scores. The calculator applies the state-specific formula automatically and maps the normalized aggregate to ATAR via a piecewise curve calibrated against VTAC and UAC percentile bulletins from 2018 to 2024. Expect the estimate to land within 2 to 4 ATAR points of the official figure your state TAC issues in mid to late December.
What Is an ATAR and Why It Matters
The Australian Tertiary Admission Rank (ATAR) is a percentile rank between 0.00 and 99.95 that summarises a Year 12 student\'s academic performance relative to the state cohort. ATAR 99.95 means the top 0.05 percent (roughly 1 in 2,000); ATAR 80.00 means the top 20 percent; ATAR 50.00 means the median ATAR-eligible cohort. The ATAR is the primary academic figure most Australian universities use to rank Bachelor-degree applicants, especially for selective programs (Medicine, Law, Veterinary Science, Engineering, Commerce honours).
Two properties make the ATAR distinct from other academic scores. First, it is nationally calibrated: an ATAR of 90 from VTAC (Victoria) and an ATAR of 90 from UAC (NSW) represent the same percentile position in the national cohort, even though the underlying credentials (VCE versus HSC) are taught and assessed differently. Second, it is a rank, not an average: the ATAR depends on how every other Year 12 student in your cohort performed, not just on your raw marks. Two students with identical raw study scores can receive different ATARs if their cohorts differed in academic strength.
How Your ATAR Is Calculated
The state-specific aggregate formula feeds the ATAR conversion. Each TAC publishes detailed methodology on its website; the simplified version that drives the calculator above:
- Counting Subject = each subject contributing to your aggregate (number and rules vary by state)
- Scaled Score = the score after the state TAC applies the annual scaling factor for each subject
- Sum = totalled across the counting subjects only (the lowest-ranking subjects may be excluded or weighted less)
The aggregate then converts to ATAR via a percentile lookup. Each state TAC publishes the year-specific table (the conversion drifts by 1 to 3 ATAR points year to year because cohort performance varies). The calculator above uses a smoothed approximation of the 2018-2024 average curve; the official ATAR your TAC issues will use that year\'s confirmed table.
ATAR by State: VCE, HSC, QCE, SACE, and WACE
All Australian states and territories feed into the same nationally calibrated ATAR, but the senior secondary credential and the Tertiary Admission Centre handling the conversion differ.
ATAR Calculator for VCE (Victoria)
VCE study scores range from 0 to 50, with a mean of 30 and a standard deviation of 7. VTAC scales each study score based on cohort performance (Specialist Mathematics, Physics, Chemistry, English Language, and Literature historically scale up; some humanities and electives scale down). The VCE aggregate is the sum of your top 4 scaled study scores plus 10 percent of your 5th and 6th scaled study scores; the maximum theoretical aggregate is 210 (4 x 50 plus 2 x 0.10 x 50). English (or EAL or Literature) is mandatory in the top 4.
ATAR Calculator for HSC (NSW and ACT)
HSC marks range from 0 to 100, calculated as the average of your raw exam mark and your school-assessment mark. UAC scales each unit based on cohort performance. The HSC aggregate uses your best 10 units (most full-year courses count as 2 units; English Standard or Advanced is mandatory and contributes 2 units; Mathematics Extension counts as 4 units across the Advanced + Extension combination). The official UAC tool, ATAR Compass, uses 5-year historical scaling averages and is the most accurate pre-results estimator for NSW students.
ATAR Calculator for QCE (Queensland)
QCE subject results range from 0 to 100 for General subjects (the ATAR-eligible category; Applied subjects do not directly contribute). QTAC converts each subject result to a scaled score using subject-specific scaling reports published annually. The QCE aggregate sums your top 5 General subject scaled scores. The QTAC system replaced the older OP (Overall Position) score in 2020; transition documentation is available on the QTAC website.
ATAR Calculator for SACE (South Australia and NT)
SACE Stage 2 subjects produce scaled scores out of 20. SATAC converts your subject results into scaled scores using annually published scaling factors. The SACE aggregate sums your best 90 credit points worth of subjects (typically 5 full-year subjects at 20 credits each, totalling 100; SATAC drops the lowest 10 credits). English is mandatory. The Northern Territory uses the same SACE system; NT students receive their ATAR through SATAC alongside SA students.
ATAR Calculator for WACE (Western Australia)
WACE ATAR-course scaled scores range from 0 to 100. TISC handles the scaling and ATAR calculation. The WACE aggregate sums your best 4 ATAR-course scaled scores; the maximum is 400. A 10 percent LOTE (Languages Other Than English) bonus applies for students who complete an ATAR-course in a second language. English ATAR (or English Literature ATAR or EAL/D ATAR) is mandatory.
Understanding ATAR Scaling and Why Subjects Move
Subject scaling is the most misunderstood part of ATAR calculation. Every state TAC publishes annual scaling reports showing how each subject moved relative to a notional "average" subject; the published reports always include a worked example for clarity. Two patterns recur across states:
- Subjects with academically strong cohorts scale up. Specialist Mathematics, Mathematics Methods, Chemistry, Physics, English Language, Literature, and the harder language subjects scale up consistently because students who self-select into them score higher than the cohort average across all subjects.
- Subjects with academically weaker cohorts scale down. Some general electives and applied subjects scale down, because the students who self-select into them score lower than the cohort average elsewhere. This is not a judgement on the subjects, it reflects the demographic of who chose them.
- Scaling is cohort-driven, not subject-driven. A subject with a strong cohort one year can have a weaker cohort the next. The 5-year average is the most stable signal; one-year scaling deltas are noisy.
The practical takeaway: pick subjects you can do well in, not subjects that "scale up". A scaled 38 in a tough subject and a scaled 38 in an easy subject contribute the same to your aggregate. The scaling adjusts for cohort difference, so the raw study score difference between subjects is what gets equalised, not added on top.
What Is a Good ATAR? Percentile Bands and University Cut-offs
Different universities and programs publish different ATAR cut-offs each year, but the percentile distribution itself is consistent across the national cohort. The chart below shows where each ATAR sits on the 0.00 to 99.95 scale and marks the common cut-off thresholds for general entry (70), Go8 general (80), engineering (90), medicine (95), and combined law or competitive medicine (99).
A few interpretation notes. An ATAR of 80 puts you above 80 percent of the ATAR-eligible cohort; about 20 percent of Year 12 students nationally reach this threshold. An ATAR of 95 puts you above 95 percent; about 5 percent reach this threshold, and these students are typically competitive for Medicine (with UCAT or GAMSAT), competitive Engineering and Commerce honours, and direct entry into Go8 named programs. An ATAR of 99 is the threshold for the most selective courses (combined Law, double-degree programs, Medicine at some Go8 unis); only 1 percent of the cohort reaches it.
ATAR to GPA and UK Degree Class Conversions
Students applying outside Australia often need to translate an ATAR into a different metric. The result panel above shows three cross-equivalents the moment the calculator runs:
- ATAR to Australian 7-point GPA: the rough mapping uses the 7-point band thresholds. ATAR 99+ corresponds to a GPA near 7.0 (HD), ATAR 85 to 6.0 (D), ATAR 70 to 5.0 (C), ATAR 50 to 4.0 (P). The exact figure on transcript depends on the university and the subjects, see the Australian GPA + WAM calculator for the per-course math.
- ATAR to US 4.0 GPA: the linear approximation is US GPA = (ATAR / 99.95) x 4. An ATAR of 95 converts to roughly 3.80; an ATAR of 80 converts to roughly 3.20; an ATAR of 50 converts to roughly 2.00. For US graduate-school applications, commission a WES (World Education Services) course-by-course credential evaluation; the resulting GPA usually lands within 0.1 to 0.2 GPA points of the linear estimate.
- ATAR to UK degree classification: the approximate mapping for UK postgraduate admissions is First Class (ATAR 90+), Upper Second 2:1 (ATAR 70 to 89), Lower Second 2:2 (ATAR 50 to 69), Third Class (ATAR 30 to 49), Pass (below 30). See the UK uni grade calculator for the module-credit and year-weighting math the UK system uses.
These conversions are rough and intended for planning. Actual admissions decisions rely on credential evaluations (WES, ECE for the US; UK NARIC for the UK) and university-specific entry rules. Use the cross-equivalents above to gauge which programs are realistic to target, then verify with the destination university\'s international admissions office.
This ATAR calculator estimates your Australian Tertiary Admission Rank using the state-specific aggregate formulas documented above and a piecewise curve calibrated against 2018-2024 VTAC and UAC percentile bulletins. The official ATAR is calculated by your state Tertiary Admission Centre (VTAC for VCE, UAC for HSC, QTAC for QCE, SATAC for SACE, TISC for WACE) after scaling factors are confirmed for your cohort, typically released mid to late December. Treat the estimate above as a planning aid, not a guaranteed result.