UK VAT Calculator
Need to add VAT to a price or work out how much VAT you're already paying? This calculator handles the standard 20% rate, the 5% reduced rate, and 0% zero-rated goods.
How to use this calculator
- Enter amount.
- Enter what do you want to do?.
- Enter vAT rate.
- Your results appear instantly below and update as you change the numbers.
How this calculator works
To add VAT, multiply the net price by 1.2 at the standard rate — £100 net becomes £120 with £20 of VAT. To remove VAT, divide the gross price by 1.2: £120 gross contains £100 of net price and £20 of VAT, because the net price is 100/120 of the total. The calculator does both in either direction at 20%, 5%, or 0%. Businesses registered for VAT charge VAT on their sales and reclaim the VAT they pay on purchases, settling the difference with HMRC usually every quarter. Worked example: a £250 invoice at 20% shows £50 of VAT and a £300 total; a £300 receipt with VAT included splits into £250 net and £50 VAT.
Frequently asked questions
When do I have to register for VAT?
You must register when your taxable turnover exceeds £90,000 in any rolling 12-month period. You can register voluntarily before that — often worthwhile if you mostly sell to other VAT-registered businesses, because you reclaim input VAT but your prices stay similar.
What is the 5% reduced rate used for?
Domestic fuel and power, children's car seats, sanitary products, and energy-saving materials. Zero-rated (0%) goods include most food, books and newspapers, children's clothing, and public transport — you charge no VAT but can still reclaim VAT on your own costs.
Is 20% the only standard rate in the UK?
Yes for VAT. The Isle of Man follows UK VAT rules; the Channel Islands have their own arrangements (Jersey 5%, Guernsey no VAT). Note that Scotland and Wales use different property taxes, but VAT is the same across the UK.
Disclaimer: Results are estimates for general information only and do not constitute financial, tax, or legal advice. Figures reflect the current tax year and may change. Always confirm current limits and consult a qualified professional before making decisions. Official figures: GOV.UK income tax rates · National Insurance · Stamp Duty Land Tax.