Free Australian tax calculators.
Tax clarity for everybody. Instant, private, no signup.
Sole trader tax
Type an income, watch it work.
Estimate · 2026-27 resident rates · incl. 2% Medicare
Up and running in 30 seconds.
Pick Your Calculator
Choose from 12+ free tools. Tax, PAYG, GST, super, HECS and more.
Enter Your Numbers
Simple inputs, plain language. No jargon, no confusing fields.
Get Instant Results
ATO-aligned figures in seconds. Download a PDF report or start again.
Every number. One place.
Select a financial calculator to begin.
Built different.
Free, private, and accurate. For every Australian business.
100% Private
All calculations happen in your browser. Your financial data never touches a server or leaves your device.
ATO-Aligned 2026-27
Updated for this year's tax brackets, 12% super guarantee, HECS-HELP marginal thresholds, and Stage 3 cuts.
Instant. No Signup.
Open any calculator and your result is ready in seconds. No account, no email, no friction. Ever.
Financial & Tax FAQ
Is AusCalc free to use?
Yes. Every calculator is free to use with no sign-up. A free account saves your business details, clients and invoices across your devices. AusCalc Pro is an optional paid plan for business extras; the calculators themselves stay free.
Are the tax rates up to date?
Yes. Our calculators cover both the 2025-26 and 2026-27 financial years, including the legislated 16% to 15% bracket cut from 1 July 2026 (worth $268 per year to every earner above $45,000), the new HECS-HELP marginal repayment system, the Low Income Tax Offset, and the 12% employer super guarantee.
How do I calculate my sole trader tax?
Simply use our Sole Trader Tax Estimator. Input your aggregate business gross income and tax-deductible expenses to estimate your net profit, then calculate your tax payable, Medicare Levy, and student loan repayment liability in seconds.
Is my data safe and private?
Yes. Every calculation runs in your browser and the figures you enter are never sent to us. If you create a free account, only what you choose to save is stored, in Australia, visible to you alone, and you can delete it at any time.
What is the Australian tax-free threshold?
The first $18,200 of taxable income earned by Australian residents is completely tax-free. Our calculators natively integrate this progressive benefit into estimate results.
How does the Medicare Levy work?
The standard Medicare Levy is 2% of your taxable income, which helps fund Australia's public health system. Low-income earners may receive complete or partial levy exemptions.
What is the Super Guarantee rate for 2026-27?
The official Super Guarantee employer contribution rate is 12.0%, the legislated maximum that has applied since 1 July 2025. Our payroll tools natively reflect this compliance level.
When must an Australian business register for GST?
You must register for GST when your ABN business turnover equals or exceeds $75,000 per year ($150,000 for non-profits), or if you provide taxi/ride-sharing services.
Are HECS / HELP debt repayments estimated?
Yes. Our engines accurately apply the Australian government repayment thresholds to assess your HECS debt repayment obligations automatically when calculating taxable profit.
Do you require user registration or an account?
No signup or personal profile is required. All AusCalc tools, visual guides, and calculators are fully unlocked and open-access for everyone anytime.
Say hello.
Direct support from the development team.
Navigating Australian Tax as a Sole Trader or Freelancer
Running an independent venture in Australia is incredibly rewarding, but managing your legal and tax compliance can quickly become overwhelming. Using a free sole trader tax calculator 2026 allows you to forecast your financial position with complete clarity and peace of mind. Unlike standard employees who have their tax withheld each pay run, sole traders operating under an Australian Business Number (ABN) must self-assess and set aside tax throughout the year.
When you use a secure no signup tax calculator, all your financial figures remain completely private. You can accurately model your net taxable income by taking your total revenue and subtracting allowable business deductions, such as home office expenses, work-related travel, and specialized equipment. Keeping track of these deductions ensures your estimated tax liability, Medicare Levy, and potential HECS/HELP debt repayments are correctly projected for the 2025-2026 financial year.
Understanding PAYG Withholding vs Individual Liability
For both employers and professionals, understanding the difference between Pay As You Go (PAYG) withholding and end-of-year individual tax liability is essential for maintaining strong cash flow. Utilizing an instant payg calculator australia helps business owners calculate precisely how much income tax needs to be withheld from staff wages on weekly, fortnightly, or monthly pay cycles.
While employees have their tax automatically deducted, sole traders must eventually transition into the PAYG instalments system once they earn above a certain threshold. By calculating your individual liability early, you can plan for these quarterly installments effectively and avoid unexpected "tax shock" when lodging your annual tax return with the Australian Taxation Office (ATO).
How to Easily Add or Remove GST for Business Expenses
Goods and Services Tax (GST) is a broad-based tax of 10% on most goods, services, and other items sold or consumed in Australia. If your sole trader business reaches or is projected to exceed a gross turnover of $75,000 within any 12-month period, registering for GST becomes mandatory. Under these regulations, you are required to charge an extra 10% on your taxable sales and can subsequently claim GST credits for the business expenses you incur.
Our suite includes an automated tool to add or remove 10% GST instantly from any amount. To add GST, simply multiply your base price by 1.10. To remove GST and find the pre-tax value, divide the gross total by 1.10. Or calculate the GST component itself by dividing by 11. Instantly calculating these splits keeps your bookkeeping clean, your invoices accurate, and your Business Activity Statements (BAS) ready for submission.
Disclaimer: The calculations, insights, and guides provided by AusCalc are for informational and educational purposes only. It is general information only, not financial or tax advice, and does not take into account your personal financial situation, objectives, or specific business needs. Tax laws are complex and subject to change. We highly recommend consulting with a Registered Tax Agent or professional accountant before making any financial decisions or submitting official filings to the Australian Taxation Office (ATO).