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Australian Financial Calculators 2026: Tax, Super & Mortgage
Use 24+ free Australian financial calculators for 2026: income tax (ATO-aligned), salary & payroll, mortgage & home loan, superannuation, retirement, loan repayment, stamp duty, cost of living, budget planning, and more. State-specific tools for NSW, VIC, QLD, WA, SA, TAS, ACT & NT.
By the GlobalCalqulate team, founded by Pavan Kusunuri · About our editorial standards
GlobalCalqulate • Australia • Updated for 2026
Australian Financial Calculators
ATO-aligned, state-specific calculators for income tax, mortgages, stamp duty, superannuation and budgeting — built for planning and education.
ATO-aligned formulas
State-specific coverage
No signup required
Planning only • Not advice
Last reviewed: January 2026
Most Popular Australia Tools
Start here if you’re planning taxes, home buying or retirement.
High-intent calculators
First Home Buyer Calculator
Estimate costs and savings for first property purchase
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Income Tax Calculator Australia
ATO tax brackets + Medicare levy estimate (2026)
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Mortgage Payment Calculator
Home loan repayments + interest schedule
Open calculator
Stamp Duty Calculator
State-wise stamp duty estimator (NSW/VIC/QLD/WA etc.)
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Superannuation Calculator
Super balance growth + retirement projection (2026)
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All Australia Calculators
Browse by topic (Tax, Loans, Housing, Superannuation).
Budget Planner
Plan personal and family budgets effectively
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Car Loan Calculator
Calculate auto loan EMI and total interest costs
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Compound Interest Calculator
Compound growth for savings & investing
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Cost of Living Calculator
Compare living expenses across Australian cities
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Credit Card Payoff Calculator
Track credit card debt payoff timeline
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Debt Snowball Calculator
Strategic debt payoff planning tool
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First Home Buyer Calculator
Estimate costs and savings for first property purchase
Open
HECS Repayment Calculator
Calculate HECS-HELP loan repayments
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Income Tax Calculator Australia
ATO tax brackets + Medicare levy estimate (2026)
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Investment Return Calculator
Estimate investment returns and portfolio growth
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Loan Calculator
EMI, interest costs, and repayment schedule
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Loan Repayment Calculator
Plan payoff strategy and compare scenarios
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Mortgage Affordability Calculator
Determine how much home you can afford
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Mortgage Payment Calculator
Home loan repayments + interest schedule
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Mortgage Stress Test Calculator
Check loan serviceability at higher interest rates
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Payroll Calculator
Calculate employee salaries with deductions
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Property Tax Calculator
Estimate property tax and council rates
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Rent Calculator
Calculate rental costs and affordability
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Rent vs Buy Calculator
Compare renting vs buying property costs
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Retirement Fund Calculator
Estimate retirement fund needs & projections
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Salary Calculator
Calculate annual salary to hourly rate conversion
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Stamp Duty Calculator
State-wise stamp duty estimator (NSW/VIC/QLD/WA etc.)
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Superannuation Calculator
Super balance growth + retirement projection (2026)
Open
Take-Home Pay Calculator
Calculate net income after tax and deductions
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PAYG Tax Calculator
Estimate PAYG withholding and take-home pay
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How to use Australia calculators
If you’re planning your finances in Australia, start with the Income Tax Calculator to estimate take-home pay after ATO slabs and Medicare levy. Then use the Mortgage Calculator to check home loan repayments and affordability. If you’re buying property, the Stamp Duty Calculator helps you estimate state-based duties.
Disclaimer: These tools are for educational and planning purposes only and do not provide financial, tax, or legal advice.
EEAT sources used (Australia)
These calculators are based on publicly available sources and commonly accepted formulas.
- Australian Taxation Office (ATO) — income tax rates and Medicare levy guidance
- State Revenue Offices — stamp duty / transfer duty rules
- ASIC MoneySmart — budgeting and borrowing concepts
- Standard financial amortization and compound interest formulas
Reviewed and updated for 2026.
Calculators for Other Countries
Free, locally-accurate financial calculators for 11 countries — tax laws, salary rules, and investment tools tailored to each region.
United States
Tax, 401k, mortgage, salary
United Kingdom
PAYE, NI, mortgage, ISA
Canada
RRSP, TFSA, CPP, GST/HST
India
SIP, PPF, NPS, home loan
Germany
Einkommensteuer, Sozialabgaben
Netherlands
Box 1/3 tax, mortgage, VAT
Singapore
CPF, GST, HDB loan
New Zealand
KiwiSaver, PAYE, mortgage
Sweden
Income tax, VAT, pension
UAE
Gratuity, VAT, zakat