The calculator and guides on bestvatcalculator.uk/ give general information to help you work out VAT and understand the rules. They are not tax advice.
Last updated: 25 October 2026.
General information only
Everyone’s VAT position is different, and the rules have many edge cases. What applies to one business may not apply to yours. For any decision that matters, check GOV.UK or speak to a qualified accountant who knows your situation.
Accuracy and changes
We check our rates, thresholds and rules against HMRC and GOV.UK, and we show a last reviewed date on each guide. Even so, VAT rules change, and the official source is always the final word. If a figure here differs from GOV.UK, follow GOV.UK and please tell us so we can fix it.
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We are not responsible for any loss that comes from relying on the information or tools on this site. Use them as a helpful guide, then confirm anything important with the official source or a professional.
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