Free Australian property calculators
Estimate the stamp duty before you bid, check whether a property is cash-flow positive before you sign, and see what an interest-only period costs you once it ends. Every calculator here is free and none of them need an account.
Buying costs & feasibility
Cash flow & finance
Cash flow projection
Project weekly cash flow and equity growth across the years ahead.
Interest-only vs P&I
See how interest-only versus principal & interest changes repayments and total cost.
Borrowing power calculator
Estimate the loan a lender is likely to approve from your income, expenses and existing debts, tested at the APRA buffer.
Rate rise calculator
See what a rate rise adds to your repayments each week, and the rent rise that would cover it.
Equity & strategy
Renovation calculator
Estimate the equity a renovation adds versus what it costs to complete.
Cost of waiting calculator
See how much more a property is projected to cost, and how much extra deposit you'd need, if you buy in a few years instead of now.
Am I grandfathered?
Check which side of the 12 May 2026 negative gearing cutoff a property falls on, and what changes for it from 1 July 2027.
PPOR paydown simulator
Model selling investment properties to pay off your home loan, with selling costs and CGT on each sale.
Coming soon: Comparative market analysis, Subdivision feasibility.
Track it all against your real portfolio.
Once you own the property, the estimates stop mattering and the real numbers start. Import your transactions from a CSV or spreadsheet, and BrickTrack keeps purchase costs, cash flow and tax records against each property.
Your first property. No credit card required.