Free tools for New Zealanders
Calculators for the pay, tax, date and business sums people in New Zealand do every week. Rates are checked against IRD, ACC and Employment New Zealand, and the source is linked on every page.
PAYE & take-home pay calculator
What lands in your account after tax, ACC, KiwiSaver and student loan.
GST calculator
Add or remove 15% GST from any amount, with the working shown.
NZ public holidays 2026 & 2027
Every national holiday and anniversary day, with a countdown to the next one.
Tax code finder
Answer a few questions and get the IRD tax code for each job.
Working days calculator
Count business days between two dates, skipping weekends and NZ public holidays.
KiwiSaver calculator
Your contributions, your employer's and the government's, and what they could grow to.
Student loan repayment calculator
How much comes out of each pay, and how long until the loan is gone.
Invoice generator
A clean NZ tax invoice with GST worked out. Print it or save it as a PDF.
Paid parental leave calculator
Your weekly paid parental leave payment and the total over 26 weeks, at the 2026–27 rates.