Free Property Tools
Property Investment Calculators
Explore free property calculators for Australian investors, accountants, and mortgage brokers. Estimate tax depreciation, capital gains tax, rental yield, stamp duty, loan repayments, equity, and construction costs before seeking advice for your circumstances.
Available Calculators
Tax Depreciation Calculator
Estimate potential Division 43 capital works deductions from four property details. Results are indicative and do not replace a professional schedule.
Capital Gains Tax Calculator
Estimate how the CGT rules commencing 1 July 2027 may affect your property, including pre and post-2027 gain components.
ROI Calculator
Calculate total return on investment including rental yield, capital growth, tax depreciation, and negative gearing.
Stamp Duty Calculator
Instant stamp duty estimates for all Australian states, including investor rates and first home buyer concessions.
Loan Repayment Calculator
Compare interest-only vs principal & interest repayments and see total interest cost over the loan term.
Equity Unlock Calculator
Find out how much equity you can unlock from your portfolio to fund your next investment purchase.
Rental Yield Calculator
Calculate gross and net rental yield factoring in expenses, vacancy rates, and depreciation benefits.
Construction Cost Calculator
Prepare an indicative residential or commercial construction cost estimate from your project details.
Related from Knowledge
Clear answers to common property, construction and tax depreciation questions.
All calculators are powered by Koste Chartered Quantity Surveyors — AIQS & RICS members. Results are estimates only; contact Koste for a detailed assessment. 1300 669 400 · info@koste.ai