Free NZ tax and finance calculators for tradies — GST, PAYE, provisional tax, ACC levy, depreciation, vehicle mileage and more.
Free NZ GST calculator — add or remove 15% GST instantly on any invoice, quote or expense. Get the GST-exclusive, GST-inclusive and GST amounts in seconds.
Calculate the true cost of employing someone in NZ — PAYE, ACC, KiwiSaver, holiday pay, and total employer cost per hour and per year.
Calculate your NZ provisional tax instalments using the standard or estimation method — IRD dates, 105% uplift, and safe harbour built in.
Calculate whether you qualify for NZ provisional tax safe harbour, and the exact top-up needed to avoid IRD use-of-money interest (UOMI).
Free NZ subcontractor tax calculator — work out GST, income tax, withholding tax and net earnings for self-employed tradies and subbies on schedular payments.
Calculate your ACC levies as a self-employed NZ tradie — work levy, earner levy, and working safer levy based on your trade and income.
Calculate the annual depreciation deduction for your tools and equipment using the IRD diminishing value method. Updated for NZ 2026 tax rules.
Free NZ IRD kilometre rate calculator for 2025–26. Enter your business km and vehicle type to get your exact Tier 1 / Tier 2 tax deduction. Updated rates.
Calculate the true employer cost of KiwiSaver including the 3.5% contribution and ESCT (employer superannuation contribution tax) for NZ tradies.
Calculate the full value of statutory leave entitlements for NZ employees — annual leave, sick leave, public holidays, and bereavement leave.
Calculate correct annual leave payouts for NZ employees using the Holidays Act 2003 — greater of ordinary weekly pay or average weekly earnings.
Calculate overtime pay, time-and-a-half, double time, and public holiday rates for NZ employees and contractors. Based on current employment law.