Can I use this calculator for countries not listed in the dropdown?

No, the tool only supports the predefined rates for India, Australia, Canada, New Zealand, and Singapore. For other jurisdictions, you would need a calculator that allows custom tax rate input.

Why does the extracted GST differ from simply multiplying by the rate percentage?

The tool is designed for quick, single-transaction calculations. For complex filings, audit trails, or multiple line items, dedicated accounting software or a professional tax advisor is recommended.

Tax CalculatorsTool Review

GST Calculator

Provided byFinancial Toolsetfinancialtoolset.com

Calculate goods and services tax for India (5/12/18/28%), Australia (10%), Canada (5%), NZ (15%), and Singapore (9%).

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Tax and salary calculators GST goods and services tax India GST Australia GST

Screenshot of GST Calculator on Financial Toolset — financialtoolset.comOpen the live tool →

About this tool

What GST Calculator does

A GST calculator that handles add or extract operations for five major jurisdictions: India (5/12/18/28%), Australia (10%), Canada (5%), New Zealand (15%), and Singapore (9%). Users input a base amount and select a country or region, then choose to add GST to the net price or extract GST from a tax-inclusive total. The output displays the net amount, the tax figure, and the gross total side by side, making it useful for anyone dealing with international transactions or multiple tax regimes.

Step by step

How to use the Financial Toolset GST Calculator

1
Open the GST Calculator on Financial Toolset
2
Enter the base amount in the dollar field
3
Select the country or region from the dropdown menu
4
Choose whether to add GST to the net amount or extract GST from an inclusive total
5
View the net price, tax amount, and gross total displayed together

Is it right for you

Best for

Freelancers, small business owners, and travelers who need to quickly calculate or reverse Goods and Services Tax across Australia, Canada, India, New Zealand, and Singapore without switching between multiple country-specific tools.

Limitations

Results are estimates based on standard national rates and do not account for local exemptions or surcharges
No currency conversion; amounts must be entered in the same currency as the selected rate
The interface includes advertisements that may distract from the calculation fields

Questions

GST Calculator FAQ

Can I use this calculator for countries not listed in the dropdown?: No, the tool only supports the predefined rates for India, Australia, Canada, New Zealand, and Singapore. For other jurisdictions, you would need a calculator that allows custom tax rate input.
Why does the extracted GST differ from simply multiplying by the rate percentage?: The tool is designed for quick, single-transaction calculations. For complex filings, audit trails, or multiple line items, dedicated accounting software or a professional tax advisor is recommended.

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