Free NZ tax and finance calculators for tradies — GST, PAYE, provisional tax, ACC levy, depreciation, vehicle mileage and more.
Add or remove 15% GST instantly. Works for any NZ tradie invoice or quote.
Calculate the true cost of employing someone in NZ — PAYE, ACC, KiwiSaver, holiday pay, and total employer cost.
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).
Calculate GST, income tax, and net earnings for NZ subcontractors and self-employed tradies.
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.
Calculate your IRD mileage reimbursement or tax deduction using the 2024-25 NZ mileage 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.