Free Australian Financial Calculators
Accurate, up-to-date calculators built for Australians — covering home loans, tax, super, stamp duty, and more. No sign-up required.
Home Loan Calculator
Calculate weekly, fortnightly or monthly repayments for your Australian mortgage with extra repayments and a full amortization schedule.
Stamp Duty Calculator
Instant stamp duty estimates for all Australian states with first home buyer concessions and property type options.
Income Tax Calculator
Calculate your 2025–26 Australian income tax, Medicare levy, and Low Income Tax Offset based on ATO brackets.
Superannuation Calculator
Estimate your retirement balance using Australia's superannuation system with employer and voluntary contributions.
Car Loan Calculator
Work out your car loan repayments, total cost of financing, and the impact of a balloon payment.
Rent vs Buy Calculator
Compare the long-term financial impact of renting versus buying a property in Australia.
Investment Growth Calculator
Project returns on shares, ETFs, or managed funds with lump-sum and regular contributions.
Savings Goal Calculator
Find out how much you need to save each month to reach your financial goal on time.
HECS-HELP Repayment Calculator
Estimate your compulsory HECS-HELP student loan repayments based on your income and current threshold rates.
GST Calculator
Quickly add or remove the 10% Australian Goods and Services Tax from any amount.
Why use ProPartners calculators?
Our tools are maintained by qualified Australian accountants and updated with every ATO rate change.
Always Up-to-Date
Rates and thresholds updated for the current 2024–25 financial year.
Expert-Verified
Formulas checked by our registered tax agents and CPAs.
No Data Stored
All calculations happen in your browser. We never store your financial data.
Professional Advice Available
Need a personalised plan? Our team is a call away.