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Calculator

GST Calculator Australia – Add or Remove GST (10%) Instantly

Use our GST calculator Australia to quickly add or remove 10% GST. Accurate results for invoices, pricing, and BAS calculations.

$12.8M+

Tax Saved for Clients

340+

Businesses Transformed

$127M+

Client Revenue Growth

98%

Client Retention Rate

GST Calculation Formula in Australia

To Add GST (10%)
GST Amount = Original Price × 10%
Total Price = Original Price + GST

To Remove GST (10%)
GST Amount = Total Price ÷ 11
Original Price = Total Price − GST

 

Current GST Rate in Australia

Category

GST Treatment

Examples

Standard Goods & Services

10% GST

Most products, services, professional fees

GST-Free

0% GST

Basic food, medical services, education

Input-Taxed

No GST Charged

Residential rent, financial services

Who Should Use This GST Calculator?

Small Business Owners

Small business owners can use the GST calculator to accurately add or remove GST when preparing invoices, managing cash flow, and ensuring correct pricing of goods and services.

Sole Traders and Freelancers

Freelancers and sole traders can quickly calculate GST on client invoices and track the tax component of their income for reporting to the Australian Taxation Office.

Accountants and Bookkeepers

Accountants and bookkeepers can use the calculator to verify GST amounts, assist clients with compliance, and ensure accurate BAS reporting.

Tradies and Contractors

Tradespeople and contractors can use the tool on-site or during quoting to instantly calculate GST-inclusive or exclusive pricing for jobs.

Documents Required for GST Registration

Australian Business Number (ABN)

Personal identification (owner/directors)

Business address and contact details

Bank account details

Business structure details (company, sole trader, or trust)

Additional supporting information (if required based on business type)

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