VAT Calculator
UK VAT calculator. Add 20% VAT to a price or remove VAT from a VAT-inclusive price, or use any other rate such as the 5% reduced rate.
Enter your values and press Calculate.
How to use the VAT calculator
A common mistake is removing VAT by taking 20% off the gross price. That under-states the net figure. This calculator does it correctly in both directions.
Formula
Gross = Net × (1 + rate); Net = Gross ÷ (1 + rate). To remove 20% VAT you divide by 1.2 — not subtract 20%.
Frequently asked questions
How do I remove 20% VAT?
Divide the price by 1.2. £120 including VAT is £100 before VAT.
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