ATAR Calculator
Estimate your ATAR from up to six Year 12 subject scores.
Last updated: January 2025 · Built for the 2024–25 financial year
Inputs
Results
Estimated ATAR
63.45
Aggregate (top 5)
390.5
Average scaled
78.1
Scaled scores
Subject 1: 85 → 84.8
Subject 2: 80 → 80.0
Subject 3: 78 → 78.1
Subject 4: 75 → 75.3
Subject 5: 72 → 72.4
Subject 6: 0 → 4.0
Estimator only — your real ATAR comes from UAC.
Results are estimates only. For financial advice, consult a licensed adviser.
Overview
Estimate your ATAR from scaled study scores
The Australian Tertiary Admission Rank (ATAR) is a percentile, not a mark. It compares Year 12 students against everyone in their state-level cohort, so a 90.00 means you outranked 90% of the age-eligible population.
Each state board (UAC, VTAC, QTAC, SATAC, TISC) scales raw subject marks before producing an aggregate. This calculator takes scaled study scores and returns an indicative ATAR in the bands published by ACTAC.
Formula
Aggregate → percentile mapping
Aggregate = Top4 scaled scores + 10% of 5th + 10% of 6th ATAR ≈ percentile_rank(Aggregate, state cohort)
Universities Admissions Centre (UAC) and equivalents publish the conversion table each January.
Worked example
Six scaled scores: 42, 40, 38, 36, 33, 30
- Top 4 = 42 + 40 + 38 + 36 = 156.
- 10% of 5th + 6th = 3.3 + 3.0 = 6.3.
- Aggregate = 162.3.
- Map 162.3 against UAC table → ≈ 96.40 ATAR.
Answer: Indicative ATAR ≈ 96.40
Subject scaling — why the same mark is worth more
| Subject | Typical scaling effect |
|---|---|
| Mathematics Extension 2 / Specialist | Strong upward scaling — averages around +8 to +12. |
| Physics, Chemistry | Moderate upward scaling at the top end. |
| English Standard / General | Often scaled downward against the cohort. |
| Languages (background) | Adjusted to discourage native-speaker advantage. |
Pro tips
- •ATARs are bands, not exact numbers — treat ±2 ATAR as your real range.
- •ATAR ≠ entry rank. Universities add bonus points and adjustments.
- •Running estimates monthly during Year 12 helps you track gaps early.