>_HSC Data

ATAR Calculator

Estimate your ATAR from expected HSC marks using 2019–2025 UAC scaling data.

How to use this calculator

  1. Select your subjects: Choose your 10 or more units of study from the dropdowns below.
  2. Enter your marks: Enter your estimated HSC marks (out of 100). For 1-unit extension courses, double your NESA mark (e.g. 45/50 → 90/100).
  3. Analyse the result: The scaled marks and ATAR estimate based on past scaling data (2019–2025) are shown below.
Showing:Year filter:
#CourseHSC Mark
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Your estimated ATAR is:

a = insufficient scaling data, uses average of available years. Math Ext 1 = 2 units when paired with Ext 2. Math Advanced excluded when Ext 1 + 2 selected.