Our GST Calculator is an essential tool designed to help New Zealand businesses and professionals accurately manage their Goods and Services Tax calculations. This user-friendly calculator allows you to instantly add GST to net amounts, subtract GST from gross amounts, or calculate the GST component alone, ensuring precise tax calculations every time. Whether you’re preparing invoices, managing business expenses, or planning pricing strategies, this tool streamlines your tax calculations and helps maintain compliance with New Zealand tax regulations. The calculator features a simple interface that makes it accessible to both small business owners and accounting professionals, eliminating the complexity of manual GST calculations. For businesses operating across borders, we also offer Australian GST calculation capabilities, making it a versatile solution for trans-Tasman operations. Start using our free GST calculator today to save time and ensure accuracy in all your tax-related calculations.
Quickly work out Australia’s 10 % Goods & Services Tax: enter any price, choose “incl.” or “excl.” GST, and the tool shows the tax plus both price versions. Over 1.3 million Australian businesses lodge GST in their Business Activity Statement each quarter (ATO, 2023).
Use the GST Calculator by entering any amount, choosing Add, Subtract, or GST-Only, then hit Calculate—your net, GST (15 %), and gross figures appear instantly. New Zealand collects 23.7 % of its tax revenue through GST (OECD, 2022).
Enter your price, choose a GST rate, hit “Calculate”—the tool shows GST and total in seconds. GST supplies 20 % of Australia’s federal tax revenue (ATO Annual Report 2023).
