All calculators
Every OzCalcs calculator in one place, grouped by what you're trying to work out. All are free, use Australian 2026–27 rates, and run in your browser.
Pay and tax
Take-home pay, tax refunds, HECS and capital gains, using the ATO's current rates.
- Salary calculatorYour pay after tax, Medicare levy and HELP, using 2026–27 rates
- Salary after tax tableTake-home pay for $50k to $200k, per week, fortnight and month
- Tax refund calculatorYour 2025–26 refund or tax bill, before you lodge
- HECS repayment calculatorYour 2026–27 repayment and how long until your debt is gone
- Capital gains tax calculatorTax on selling property, shares or crypto, with the 50% discount
Buying a home
Work out what you can borrow, your repayments, and the upfront costs before you make an offer.
- Borrowing power calculatorHow much a lender could approve, tested at your rate plus 3%
- Mortgage calculatorRepayments, total interest and what extra repayments save
- LMI calculatorLenders mortgage insurance by deposit and state, and the 5% Deposit Scheme
- Stamp duty calculatorTransfer duty and first home buyer concessions in every state
Stamp duty by state
Each state sets its own duty rates and first home buyer concessions.
Business
Everyday sums for sole traders and small businesses.