How it works
Calculates rental income less expenses and financing cost, then applies the selected owner tax rate. Residential landlords are taxed on net rental results after allowable deductions. Separate capital costs from deductible repairs and maintenance.
Tax basisNet rental profit at owner tax rate
Common inputsRent, deductible expenses, financing costs
Use the calculator
Use the live tool above to enter your figures, compare outcomes, and sense-check the result before you rely on it for planning. This page is built for residential landlords and property investors estimating New Zealand rental tax outcomes.
- Cashflow and taxable profit are not always the same.
- Interest deductibility settings can materially affect outcomes.
- Retain invoices and ownership records.
Official IRD guidance
Check the official IRD guidance for the latest published rules, thresholds, timing, and definitions that apply to Rental Income Tax.
Disclaimer
This calculator provides estimates only and does not replace official IRD calculations.
- Simple annual rental model.
- Does not separate capital and revenue items beyond the user inputs.
- Interest deductibility rules may vary in practice.