GST Calculator
Ready when you are
Enter an amount and select a GST rate above to calculate taxes.
Financial Disclaimer: The results provided by this calculator are estimates for informational purposes only. They do not constitute financial advice. Please consult with a qualified financial advisor or institution before making any financial decisions.
Easily add or remove tax from any price to find the true cost.
About this Tool
Do you need to figure out the tax on an item? Our GST Calculator makes it super easy to add tax to a price or take it out of a total.
It is completely free and helps you find the exact amount in seconds. Dealing with the Goods and Services Tax (GST) can be confusing for both business owners and consumers.
Whether you are generating an invoice and need to add the correct tax amount, or you are looking at a final price and want to figure out how much of it was tax, this tool does the math for you. Just enter the amount and the tax rate, and it provides a clear breakdown instantly.
How to Use
Type the price into the box.
Type in the tax percentage (like 5 or 12).
Choose if you want to 'Add GST' or 'Remove GST'.
Click the Calculate button.
See the exact tax amount and the final total price.
The Formula
When you add tax, the tool figures out a percentage of your price and adds it on top. When you remove tax, it works backward to show you the original price before the tax was added.
Examples
Frequently Asked Questions
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