Free tools.
Straight answers.
Calculators and plain-English guides for New Zealand tradies — GST, charge-out rates, unpaid invoices and the law. No sign-up, no sales pitch.
Free to use. Nothing to install. Written for NZ rules.
Professional, firm, and persistent. We represent your business with care — no aggressive tactics.
Built for the job.
Not for a sales funnel.
Every calculator runs in the browser and gives you a number straight away. No account, no email, no "book a demo" before you can use it.
NZ GST rates, the Construction Contracts Act, the Disputes Tribunal, IRD rules. Not American advice with the spelling changed.
Legal and tax writing is deliberately hard to read. These guides say what to do, in the order you need to do it.
Rates and thresholds change. Guides carry the date they were last checked, so you can see how fresh the answer is.
Free tradie tools.
No sign-up, no catch.
Calculators and generators built for NZ trades — work out GST, build an invoice, calculate overdue interest, or generate a letter of demand in seconds.
GST Calculator NZ
Add or remove 15% GST on any amount — instantly.
Open the GST calculatorPractical invoice and cashflow guides for NZ tradies
Read plain-English guides on invoicing, overdue payments, cashflow, and your options when clients do not pay.