Free Online UK VAT Calculator - British Pounds (£)
Calculate UK Value Added Tax (VAT) instantly and accurately for business, shopping, invoices, or accounting. Our calculator operates entirely inside your browser using client-side JavaScript, ensuring complete confidentiality for your commercial transactions and invoice details.
United Kingdom VAT Rates Reference
The UK uses three main categories of Value Added Tax managed by HM Revenue and Customs (HMRC):
- Standard Rate (20%): Applies to most goods and services, including electronics, cars, professional services, and entertainment.
- Reduced Rate (5%): Applies to a limited range of items, such as domestic utilities (electricity and gas), children's car seats, mobility aids, and certain home renovations.
- Zero Rate (0%): Covers essential items where no VAT is charged, including most grocery food, children's clothes, books, newspapers, and public transport.
How to Add or Remove UK VAT manually
Understanding the manual math behind UK VAT is useful for verification:
- Adding 20% VAT: Multiply the net amount by 1.20 (e.g., £100.00 * 1.20 = £120.00 total).
- Removing 20% VAT: Divide the gross amount by 1.20 (e.g., £120.00 / 1.20 = £100.00 net). The VAT portion is the difference (£20.00).
- Adding 5% VAT: Multiply the net amount by 1.05.
- Removing 5% VAT: Divide the gross amount by 1.05.
How to Use This Calculator
- Enter your base amount in Amount (£).
- Set the Tax Rate (%) to 20 for standard UK VAT, or 5 for reduced VAT.
- Click Add Tax to calculate the gross price from a net amount.
- Click Remove Tax to reverse-calculate the pre-tax net amount from a gross price.
- View the instant result showing net price, tax amount, and gross total.
Privacy Guarantee
All calculations happen entirely in your local browser sandbox. No financial data, purchase totals, or invoice details are transmitted to any server, making this safe for corporate financial planning and bookkeeping.
Source and Accuracy Notes
Last reviewed: July 2026. This page uses common UK VAT reference rates for quick estimates. VAT rates, exemptions, and category rules can change, so businesses should confirm current treatment with HMRC VAT rate guidance or a qualified tax professional.
Business Disclaimer
This calculator performs arithmetic only. It does not determine whether a sale is taxable, zero-rated, exempt, outside scope, reverse charged, or eligible for a special VAT scheme.