To use this New Zealand Goods and Services Tax Calculator (GST) simply enter in a number in the yellow box and push update. This will give you all the possible GST scenarios.

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Have you tried our Paye As You Earn Calculator (PAYE)? Compare multiple New Zealand Salaries complete with student loan, ACC and Kiwi Saver information at

GST Content of amount -
Original amount minus GST -
Original amount plus GST -