Finance
5 min read

How VAT Works: A Simple Guide to Value Added Tax

Understand how VAT works, how to calculate it, and the different rates across countries. Includes practical examples.

September 28, 2026

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Value Added Tax (VAT) is a consumption tax used in over 170 countries. Whether you're a business owner or a consumer, understanding how VAT works is crucial. This guide explains everything in simple terms.

What is VAT?

VAT is a tax on the value added at each stage of production or distribution. It's ultimately paid by the end consumer, but businesses collect and remit it to the government.

How to Calculate VAT

There are two main VAT calculations you'll need:

Adding VAT to a net amount:

VAT Amount = Net × (VAT Rate / 100)
Gross = Net + VAT Amount

Removing VAT from a gross amount:

Net = Gross / (1 + VAT Rate / 100)
VAT Amount = Gross - Net

VAT Rates by Country

  • •United Kingdom: 20% standard rate
  • •Germany: 19% standard rate
  • •France: 20% standard rate
  • •Ireland: 23% standard rate
  • •Spain: 21% standard rate
  • •Italy: 22% standard rate
  • •Australia: 10% GST (similar to VAT)

Use our free VAT Calculator to add or remove VAT with any country rate.

VAT-Registered vs. Non-VAT Registered

If your business is VAT-registered, you must charge VAT on your sales and can reclaim VAT on your purchases. Non-VAT registered businesses cannot charge VAT or reclaim it.

Common VAT Mistakes to Avoid

  • •Confusing VAT-inclusive and VAT-exclusive prices
  • •Using the wrong VAT rate for your product category
  • •Forgetting that some items are zero-rated or exempt
  • •Not filing VAT returns on time

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