Free, accurate calculators with the latest ATO rates. No signup required. Built for Australian individuals and small businesses.
Calculate your Australian tax obligations
Essential tools for Australian businesses
Salary, super, and payroll calculations
Capital gains and investment tax tools
Home loan, stamp duty, and refinancing calculators
All tax brackets, offsets, and thresholds match the latest ATO publications for FY 2025-26.
All calculators run instantly in your browser. No account, no email, no personal data collected.
Responsive design works perfectly on phones, tablets, and desktops. Calculate anywhere, anytime.
Our free tax calculators are built specifically for Australians. Whether you're an employee wanting to estimate your take-home pay, a sole trader calculating your tax obligations, or an employer working out PAYG withholding and super contributions, we've got you covered.
All calculators are updated with the latest ATO tax rates for FY 2025-26, including the Stage 3 tax cuts that took effect on 1 July 2024. The new rates reduced the 19% bracket to 16% and the 32.5% bracket to 30%, delivering tax savings for every Australian taxpayer earning over $18,200.
These tools are designed to give you quick estimates. For lodging your actual tax return or BAS, consider using OneBookPlus — our all-in-one business platform includes automated GST tracking, BAS preparation, and direct ATO lodgement for Australian small businesses.
OneBookPlus automates your invoicing, GST tracking, BAS preparation, and ATO lodgement. All in one app.