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GST vs VAT: What's the Difference?

GST and VAT are both consumption taxes charged on the value added to a good or service. The maths is nearly identical — the real differences are the country, the rates, and how businesses reclaim the tax.

GST

Goods and Services Tax — a consumption tax used in India, Australia, New Zealand, Canada, Singapore, and others.

total = price × (1 + GST rate)

VAT

Value Added Tax — a consumption tax used across the UK, the EU, and many other countries, applied at each stage of supply.

total = price × (1 + VAT rate)

Side by side

 GSTVAT
Full nameGoods and Services TaxValue Added Tax
Where it appliesIndia, Australia, New Zealand, Canada, SingaporeUK, EU and most of Europe, and many other countries
Typical rates0%, 5%, 12%, 18%, 28% (India)5%–27%, commonly 20–23%
How it's collectedA single rate on the final saleAt each stage of the supply chain
Adding it to a priceprice × (1 + rate)price × (1 + rate)

Worked example

Inputs: Price 10,000

GST

GST @ 18%: 1,800 tax, 11,800 total

VAT

VAT @ 20%: 2,000 tax, 12,000 total

The mechanic is identical — add or remove a rate from a price. Only the rate and the country differ.

When to use GST

Use GST when you're pricing or invoicing for India, Australia, or another GST country, where a single rate typically applies to the final sale.

When to use VAT

Use VAT when you're pricing into the UK, the EU, or any VAT country. Businesses reclaim VAT at each stage, so the net cost depends on where you sit in the chain.

The short answer

For a simple add-or-remove calculation, GST and VAT are the same formula with different rates. The differences that matter are the country's rules and how the tax is reclaimed.

Run the numbers

Frequently asked questions

Quick answers before you start.

Is GST the same as VAT?

In mechanic, largely yes — both tax the value added to a sale. The difference is the country and its rates. GST is a single-rate-on-final-sale system in India and several other countries, while VAT is a staged system common across Europe.

How do I add GST or VAT to a price?

Multiply the price by one plus the rate. At 18% GST, 10,000 becomes 11,800; at 20% VAT, 10,000 becomes 12,000.

How do I remove GST or VAT from a price?

Divide the tax-inclusive price by one plus the rate. A price of 11,800 that includes 18% GST has a base of 10,000 and 1,800 of tax.