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Australia Calculators
Free, accurate Australia calculators for mortgage, salary, tax, gst, and retirement. Built for 2025–26 with locally-accurate rates and rules.
Currency
AUD
Tax year
2025–26
Top income tax bracket
45%
GST
10%
Retirement vehicle
Superannuation
Earliest retirement age
60
Core calculators
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Mortgage Calculator
Repayments with fortnightly trick, LMI, and rate stress test.
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Salary Calculator
Weekly, fortnightly, and monthly net take-home pay.
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Income Tax Calculator
Income tax with country-specific deductions and credits.
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GST Calculator
GST at 10%. Add to or extract from a price.
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Superannuation Calculator
Project your super at retirement with 11.5% SG + salary sacrifice.
Country-specific calculators
By state — Stamp Duty
What makes our Australia calculators different
- ✓Fortnightly mortgage trick saves 5 years off a 30-year loan.
- ✓Stamp duty calculated separately for all 8 states with FHB concessions.
- ✓PAYG + Medicare + HECS + Super all handled in salary calc.
- ✓Salary sacrifice into super modeled in retirement projection.
Australia guides
A note on accuracy
Rates and rules in Australia change frequently. These calculators are for general informational purposes only and don't constitute financial advice. Always verify with the ATO and your accountant before relying on any output for real decisions.