Free Tools
Free tax and business tools for New Zealand sole traders and small businesses. Choose the tool that matches your situation and follow the simple step-by-step process. All tools are free with email registration.
Residential Rental Tax
Calculate your taxable rental income after allowable property expenses.
Granny Flat Rental Tax
Calculate taxable income from renting out a granny flat or part of your home.
Airbnb Income Tax
Calculate your taxable Airbnb income after allowable short-stay rental expenses.
Commercial Rental Tax
Calculate taxable rental income from your commercial property after allowable expenses.
Rental Chattels Depreciation
Calculate depreciation on furniture, appliances and other chattels in your rental property
Airbnb Chattels Depreciation
Calculate depreciation on furniture, appliances and other chattels used in your Airbnb.
Business Asset Depreciation
For sole traders and small businesses. Calculate depreciation on vehicles, tools, equipment and other assets.
Uber & Taxi Driver Tax
For Uber, taxi and rideshare drivers. Calculate taxable income after common driving expenses.
Vehicle Expense Calculator
For sole traders and small businesses. Calculate deductible vehicle expenses using IRD kilometre rates or actual business-use costs.
Entertainment Expense Deductibility
For sole traders and small businesses. Check how much of your entertainment expenses may be deductible.
Trades Income Tax
For builders, electricians, plumbers, painters and other tradies. Calculate your taxable business income.
Service Business Tax
For freelancers, personal trainers, beauty professionals, content creators and other service businesses. Calculate your taxable income.
GST Return Calculator
Work through your sales and expenses to estimate your GST return step by step.
Date Calculators
Calculate NZ tax due dates, filing deadlines, working days and other key dates.
Tax Code Finder
Find the right NZ tax code for your salary, wages or secondary income.