VATCalculatorUK.net is a free, easy-to-use online tool that helps you add, remove, and break down UK VAT in seconds using the official 20%, 5%, and 0% rates. Designed for consumers, freelancers, and VAT-registered businesses, it instantly shows net amounts, VAT portions, and VAT-inclusive totals for accurate pricing, invoicing, and bookkeeping. The site also offers helpful guides on VAT rules, thresholds, and refunds, plus links to related tools like a UK income tax calculator to support everyday financial decisions.