Your numbers. Clear answers.
Free Australian Calculators
Work out GST, take-home pay, super, loan repayments and savings — with the formula shown, and nothing you enter stored.
Pick a calculator
GST CalculatorAdd or remove 10% GST, or find the GST inside a price.Salary CalculatorTake-home pay after tax, with super included/on top, Medicare and HELP.Hourly ↔ Annual PayConvert an hourly, weekly or annual rate — with editable hours and weeks.Annual Leave PayoutEstimate accrued leave and the gross payout when you leave a job.Superannuation CalculatorEmployer SG, salary-package super and long-term balance projections.Mortgage RepaymentsRepayments, total interest and an amortisation schedule for a home loan.Mortgage OffsetSee how much an offset balance saves in interest and time.Car Loan & BalloonRepayments with a balloon/residual, trade-in and fees — and the total cost.Compound InterestGrow savings with regular deposits, any frequency, and inflation.
How our calculators work
Official sources
Every regulated figure cites the ATO, Fair Work or ASIC Moneysmart, with the rule date shown.
Private by design
All maths runs in your browser. Amounts you enter never leave your device.
No account, no ads
Free to use, with the working shown behind every result.
Read our calculation methodology and editorial policy.