Free Calculators for Australia
150+ calculators built for Australian standards — ATO tax brackets, superannuation, Medicare levy, metric units, and AUD financials.
Most Popular Australian Calculators
US Income Tax Calculator
Federal & state income tax estimate (US tax brackets).
Superannuation Calculator
Project your super balance at retirement with employer contributions (11.5%) and salary sacrifice.
Mortgage Calculator
Calculate home loan repayments in AUD with variable or fixed rate comparison.
BMI Calculator
Check your Body Mass Index using metric measurements and Australian health guidelines.
HELP/HECS Loan Calculator
Estimate your HELP debt repayments based on Australian income thresholds.
GST Calculator
Add or remove 10% GST from prices for Australian goods and services.
Built for Australian Users
Metric System
Kilograms, metres, litres, Celsius — all calculations in Australian metric.
ATO Tax Brackets
Australian tax rates: 0%, 19%, 32.5%, 37%, 45% plus Medicare levy (2%).
Superannuation
Employer super guarantee (11.5% for 2024–25), salary sacrifice, and SMSF calculations.
Australian Financial Quick Facts
Tax-Free Threshold 2024–25
$18,200
Earn up to this amount with no tax
Super Guarantee Rate
11.5%
Employer contribution for 2024–25
Medicare Levy
2%
Applied to taxable income above threshold
GST Rate
10%
Goods and Services Tax on most items