GST Calculator

Add or remove GST from any amount with real-time calculations. Supports multiple countries, India's GST slabs, and custom rates.

receipt_longGST Calculator

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Calculation Settings

Calculation Type

Amount (Excluding GST)

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GST Rate

Country / Region

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Calculation Results

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Enter an amount to see results

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About GST Calculator

The GST Calculator lets you quickly add or remove Goods and Services Tax from any amount. Whether you are calculating the GST-inclusive price from a net amount or extracting the GST from a gross price, this tool handles both directions instantly. It supports countries that use GST including India, Australia, New Zealand, Canada, and Singapore, with their standard rates and currency symbols.

Choose from preset GST rates based on India's tax slabs (0%, 5%, 12%, 18%, 28%) or enter a custom percentage. Select your country to automatically apply the correct standard rate and currency. Results update in real time as you type, with a detailed breakdown showing the base amount, GST amount, and total. All calculations run locally in your browser.

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How to Use

Choose Calculation Type

Select Add GST to calculate the total from a net amount, or Remove GST to extract GST from a gross amount.

Enter Amount

Type the amount you want to calculate. Results update instantly as you type.

Set GST Rate

Click a preset rate button (0%, 5%, 12%, 18%, 28%) or enter a custom rate. Choose a country to load its standard rate.

View Results

See the amount excluding GST, GST amount, total including GST, and a calculation breakdown on the right.

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Frequently Asked Questions

What is a GST Calculator? expand_more

A GST Calculator is a tool that computes Goods and Services Tax on a given amount. It can add GST to a net price to find the gross total, or remove GST from a gross price to find the net amount and tax portion. It is essential for businesses, freelancers, and consumers in countries that levy GST.

How do I add GST to an amount? expand_more

Select the Add GST option, enter your net amount (excluding GST), and choose or enter your GST rate. The calculator instantly shows the GST amount and the total price including GST.

How do I remove GST from an amount? expand_more

Select the Remove GST option, enter the gross amount (including GST), and set the GST rate. The calculator extracts the net amount and shows how much of the total is GST.

Which countries are supported? expand_more

The calculator includes standard GST rates for India, Australia, New Zealand, Canada, and Singapore. It also includes VAT rates for the United Kingdom and Germany. Each country loads its correct standard rate and currency symbol automatically.

Is my financial data secure? expand_more

Yes. All calculations happen locally in your browser using JavaScript. No amounts or financial data are sent to any server. The tool works fully offline once loaded.