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Free Australian Tax & Finance Calculators

16 free Australian calculators for income tax, GST, stamp duty, HECS, superannuation, LMI and skilled migration points. No sign-up required.

From calculating your Australian income tax and Medicare levy to working out HECS repayments, stamp duty across different states, and superannuation projections — these free tools cover the most important Australian financial calculations, all running in your browser.

Free Australian Tools (16 total)

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Australian Tax Calculator
International

Calculate your Australian income tax, Medicare levy and take-home pay.
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Australia HECS / HELP Calculator
International

Calculate your HECS-HELP student debt repayments.
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Australia Stamp Duty Calculator
International

Calculate stamp duty on property purchases across all Australian states.
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Australia Superannuation Calculator
International

Project your superannuation balance at retirement.
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Australia LMI Calculator
International

Calculate Lenders Mortgage Insurance on your Australian home loan.
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Australia Skilled Migration Points Test
International

Calculate your points score for Australian skilled migration visas.
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GST Calculator
International

Calculate Australian or New Zealand GST — add or remove GST from any price.
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Mortgage Affordability
Calculators

Calculate your mortgage repayments and total interest.
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Mortgage Affordability Calculator
International

Find out how much you can borrow for a mortgage based on your income.
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Rent vs Buy Calculator
Calculators

Should you rent or buy? Compare the true long-term cost of each.
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Retirement / FIRE Calculator
Calculators

Calculate when you can retire and how much you need to save.
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Compound Interest Calculator
Calculators

See how compound interest grows your savings or investments over time.
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50/30/20 Budget Planner
Calculators

Plan your budget using the 50/30/20 rule.
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Inflation Calculator
Calculators

Calculate the real value of money over time adjusted for inflation.
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Emergency Fund Calculator
Calculators

Calculate how large your emergency fund should be.
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Currency Converter
Converters

Convert between hundreds of currencies at live exchange rates.
🇦🇺 Australian Salary Pages

See take-home pay for any salary from A$30,000 to A$250,000 — income tax, Medicare levy and net pay for the 2025–26 tax year. Browse all salary levels →

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