VAT calculator

Add VAT to a net price or take it out of a gross price. Standard 20%, reduced 5%, zero rate, or any rate you type.

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Adding VAT: net price × (1 + rate). £100 at 20% becomes £120. Removing VAT: gross price ÷ (1 + rate). £120 at 20% is £100 net, with £20 of VAT. A common mistake is taking 20% off the gross price, which gives £96 instead of £100.

The UK standard rate is 20%. Some things (home energy, children's car seats) are at 5%, and others, like most food and children's clothes, are zero-rated. Whether you must register for VAT depends on your taxable turnover; check the current threshold on GOV.UK, as it changes.

How do I work out 20% VAT?

Multiply the net price by 1.2 to get the gross price, or divide the gross price by 1.2 to get the net.

How do I take VAT off a price?

Choose 'Remove VAT', type the VAT-inclusive total and pick the rate.

What is the VAT fraction?

At 20%, the VAT in a gross price is one sixth (1/6) of it. At 5%, it's 1/21.

When do I have to register for VAT?

When your taxable turnover goes over the registration threshold. Check the current figure on GOV.UK.

Everything happens in your browser. Nothing you type or add is uploaded to us or anyone else, and the tool works with no account.

For general guidance only, not tax advice. Check GOV.UK for the current rates and registration threshold.