GST Calculator NZ – (15% GST Inclusive & Exclusive Calculator)
The GST Calculator NZ helps you quickly calculate Goods and Services Tax in New Zealand. Easily work out GST-inclusive and GST-exclusive amounts for accurate invoices, receipts, and business records. A simple tool for individuals and businesses to save time and ensure precise tax calculations.
Calculate GST for New Zealand
GST Calculator NZ 🇳🇿
Result will appear here
How It Works
The calculator operates with New Zealand’s standard GST rate of 15%. It allows users to:
- Enter amounts in the input fields
- Add multiple line items using the green “ADD ROW” button
- Remove unwanted rows with the red “REMOVE ROW” button
- Reset all calculations using the orange “RESET” button
- Copy results with the blue “COPY” button
The calculator automatically computes three key values:
- Total (GST-exclusive amount): The base amount before tax
- GST amount (15%): The tax component
- Grand Total (GST-inclusive amount): The final amount including tax
Working Examples
Example 1: From the Screenshot
- Input: NZD 200 and NZD 23.36
- Total: NZD 223.36 (sum of GST-exclusive amounts)
- GST (15%): NZD 33.50 (15% of 223.36)
- Grand Total: NZD 256.86 (223.36 + 33.50)
Example 2: Single Item Invoice
If you enter NZD 100:
- Total: NZD 100
- GST (15%): NZD 15
- Grand Total: NZD 115
Example 3: Multiple Items
For a business invoice with items of NZD 500, NZD 300, and NZD 150:
- Total: NZD 950
- GST (15%): NZD 142.50
- Grand Total: NZD 1,092.50
This tool is perfect for creating accurate invoices, receipts, and maintaining precise business records while ensuring GST compliance in New Zealand.
