UK VAT calculator for online sellers
This UK VAT calculator adds or removes VAT at 20%, 5% or 0%. Enter a price to see the amount excluding VAT, the VAT and the total. Most products sold online in the UK are standard-rated at 20%, but some, like children's clothes and books, are zero-rated.
Last updated: October 2026
VAT amount
Rates checked September 2026. Figures are estimates for planning, not financial advice. Check Shopify's own pricing page before deciding.
How to use it
- Enter an amount.
- Choose whether it includes or excludes VAT.
- Choose the VAT rate that applies to your product.
How it works
Adding VAT: total = amount × (1 + rate). At 20%, £100 becomes £120.
Removing VAT: amount excluding VAT = total ÷ (1 + rate). At 20%, £120 contains £20 of VAT. A common mistake is taking 20% off the total, which gives £96 instead of £100.
Frequently asked questions
What is the UK VAT threshold?
You must register for VAT when your VAT-taxable turnover goes over £90,000 in a rolling 12-month period. Read more.
Which products are zero-rated?
Examples include most food, books and children's clothes. Check HMRC guidance for your products.
Do I charge VAT if I'm not registered?
No. If you're not VAT registered, you can't charge VAT.
How do I set up VAT in Shopify?
Official sources
Checked September 2026. Rules change, so always check the latest official guidance.
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