Free New Zealand tools and calculators

Calculate NZ take-home pay with IRD personal income tax brackets, ACC earner's levy, KiwiSaver deductions and student loan repayments.

Calculate New Zealand 15% GST on net prices or reverse-calculate GST using the Inland Revenue 3/23rds rule for GST returns.

Calculate KiwiSaver retirement growth with employee and employer contributions, annual government tax credit and compound returns.

Calculate New Zealand home loan repayments with interest rates and weekly, fortnightly or monthly payment schedules.

Calculate NZ 8% gross holiday pay for casual workers or 4 weeks statutory annual holiday entitlement under the Holidays Act 2003.

Calculate New Zealand 12% student loan repayments on earnings above the $24,128 threshold with interest-free resident rules.

Calculate driving and road trip fuel costs across New Zealand in litres and cents per litre with passenger cost splitting.

Calculate NZ public holiday pay at time-and-a-half (1.5×) plus alternative paid holiday (day in lieu) under the Holidays Act.

Calculate New Zealand car finance repayments with interest rates, loan terms and weekly or fortnightly payment options.

Estimate Working for Families Tax Credits (WFTC) Family Tax Credit weekly and annual payments with IRD income abatement.