How to Use the UK VAT Calculator (20% & 5%)
- Enter the net or gross amount in Pounds (£ GBP).
- Choose the applicable UK VAT rate: Standard 20%, Reduced 5%, or Zero-rated 0%.
- Select whether to Add VAT (Net to Gross) or Extract VAT (Gross to Net).
- View the net price, exact VAT charge, and gross total.
Key Features & Capabilities
- Covers official HMRC rates: Standard (20%), Reduced (5%), and Zero (0%).
- 1-click toggling between adding VAT to net cost and extracting VAT from gross total.
- Clear formula breakdown for bookkeeping, invoicing, and tax returns.
- Zero server roundtrips — instant real-time calculations.
Technical Architecture & Privacy
UK VAT Calculator (20% & 5%) is engineered with a focus on performance, mathematical accuracy, and maximum user privacy. Operating entirely in-browser on the client side, all processing takes place locally within your browser's JavaScript engine. None of your financial numbers, text entries, or private inputs are ever transmitted to or stored on remote servers.