Contact
One inbox, two NZ-based humans behind it. Most messages get a reply within a business day.
General questions
hello@calculator.org.nz
Anything site-related, including bug reports and suggestions for calculators we should add next.
Sponsorshipsponsor@calculator.org.nz
One sponsor per calculator, named on the page. Read how it works.
Report an errorfix@calculator.org.nz
Spot a maths bug, outdated rate, or broken link? Send the calculator URL and what looks wrong.
What we cannot do
The site provides information only. We cannot give personalised tax, mortgage, insurance, or financial advice. For that, talk to a registered adviser, an accountant, or your bank's lending team.