HSC calculators
The UAC ATAR estimator plus every formula on the HSC Physics, Chemistry and Biology formula sheets, in tight no-signup tools.
ATAR estimator
NSWHSC ATAR calculator
Estimate your ATAR from your HSC subject marks. Models the best-10-units rule (including English), UAC scaling means, and aggregate-to-percentile mapping.
Open the calculator →Subject calculators
Filtered to the NESA subjects HSC students sit.
Biology calculators
Monohybrid and dihybrid Punnett squares, sex-linked (X-linked) inheritance, and Hardy-Weinberg equilibrium for population genetics.
Open the calculators → NSW · HSCChemistry calculators
pH and pOH, weak-acid pH, buffer pH (Henderson-Hasselbalch), Kc, Ksp, dilution, titration, mole conversion, Beer-Lambert, and calorimetry.
Open the calculators → NSW · HSCPhysics calculators
Projectile motion, centripetal force, gravitation, Kepler, orbital energy, transformer, Faraday, photoelectric effect, relativity, half-life.
Open the calculators →Looking for another state?
The same calculators are organised for VCE and QCE students too, or you can browse the global index.