Tax calculators
for real decisions
Not just how much you pay — but when, how, and why to pay less.
Everything you need
Six apps. 90+ calculators. One place.
Income tax, CGT, super, stamp duty, and 50+ more
Side-by-side comparisons for real tax decisions
Mortgage, car, personal, HECS and business loans
Model your path to FIRE with Australian tax rules
Compare contractor, salary sacrifice, and HELP scenarios
Invoices, payslips, quotes and receipts
Start with the work you do
Role-based tax guides for deduction rules, record-keeping traps, and the right calculator to use next.
Tax for Sole Traders
Core tax obligations for sole traders: GST, PAYG instalments, super, and record-keeping basics.
Sole trader tax calculator → ContractorsTax for Contractors
ABN income, GST, PSI, super, and record-keeping checkpoints for Australian contractors.
Contractor vs employee calculator → TradiesTax for Tradies
Common work-related expense rules for tradies, including tools, vehicle costs, and protective gear.
Sole trader tax calculator → NursesTax for Nurses
Nurse and midwife deduction guide covering registration, uniforms, self-education, and travel traps.
Tax return calculator → TeachersTax for Teachers
Teacher deduction guide covering classroom supplies, self-education, home prep work, and travel traps.
Tax return calculator → Property investorsTax for Property Investors
Rental income, interest, repairs, capital works, CGT records, and common over-claim traps for investors.
Investment property calculator →About these tools
Built for Australian residents, sole traders, and small business owners who need quick, reliable tax calculations. All tools follow current ATO rules, updated for 2025–26.
No sign-up. No tracking. No assumptions hidden in the maths.