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Welcome to the free GST calculator for Parramatta, Sydney, New South Wales, Australia. Our tool helps Parramatta businesses, accountants, and individuals calculate 10% GST (Goods and Services Tax) instantly.
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Calculate GST in real-time as you type
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Based on official ATO guidelines
Population: 30,211
Total Businesses: 12,000
Main Industries:
ATO Parramatta
Level 7, 10 Valentine Avenue, Parramatta NSW 2150
13 28 66
Distance: 0.5 km
If you're a Parramatta-based business with annual turnover above AU$75,000, you must register for GST:
Use our free calculator above to calculate 10% GST instantly. No signup required!
Last Updated: January 23, 2026 | Location: Parramatta, Sydney, New South Wales, Australia | Service Area: Parramatta and surrounding New South Wales