Want to calculate VAT in the UK quickly?
This simple guide shows you how to add VAT, remove VAT, and calculate totals using the standard 20% rate — with clear examples.
You can also use our VAT calculator to instantly work out any amount.
How to Calculate VAT (Add VAT)
To add VAT in the UK, multiply the original price by 1.20.
Example:
£100 × 1.20 = £120
VAT amount = £20
How to Remove VAT from a Price
To remove VAT from a total (a price that already includes VAT), divide by 1.20.
Example:
£120 ÷ 1.20 = £100
VAT amount = £20
You can also use our Remove VAT calculator to do this instantly.
VAT Calculation Examples (20%)
Here are some common VAT calculation examples using the standard 20% UK rate:
£20 → VAT: £4 → Total: £24
£50 → VAT: £10 → Total: £60
£100 → VAT: £20 → Total: £120
£200 → VAT: £40 → Total: £240
£500 → VAT: £100 → Total: £600
See more VAT examples here.
Use a VAT Calculator (fastest way).
While the formulas are simple, the easiest way to calculate VAT is by using a calculator.
You can instantly add or remove VAT from any amount without doing the maths manually.
Use our VAT calculator to get accurate results in seconds.
VAT Calculation FAQs
How do I calculate VAT on a price?
Multiply the original price by 1.20 to add VAT.
How do I remove VAT from a total?
Divide the total by 1.20 to find the original price before VAT.
What is the VAT rate in the UK?
The standard VAT rate in the UK is 20%, although some goods use reduced or zero rates.
Can I calculate VAT without a calculator?
Yes, using simple multiplication or division. However, using a VAT calculator is faster and reduces the chance of errors.
Disclaimer
This guide is for general information only. While every effort is made to ensure accuracy, we are an independent resource and not affiliated with HMRC. Always consult a qualified professional for financial decisions.