Finance calculator
United Kingdom - 2026UK VAT Calculator
Add or remove UK VAT using standard, reduced, zero, or custom VAT rates with clear net, VAT, and gross price results.
Formula
UK VAT add/remove formulas
This calculator applies the VAT rate you select and does not determine product classification, exemption, reverse charge, partial exemption, or VAT return treatment.
VAT = net price x rate; gross price = net price + VAT; net price = gross price / (1 + rate)
At 20% VAT, 1,000 before VAT has 200 VAT and a gross price of 1,200.
Sources and assumptions
UK VAT source notes
This profile covers a UK VAT add/remove calculation. The calculator applies the selected VAT rate to a single amount and can split VAT-inclusive prices into net and VAT portions.
- Effective year
- 2026
- Last verified
- 2026-05-29
This calculator applies the VAT rate you select and does not determine product classification, exemption, reverse charge, partial exemption, or VAT return treatment.
Official and reference sources
Assumptions
- The user selects the VAT rate that applies to the supply.
- Exclusive mode treats the entered amount as the price before VAT.
- Inclusive mode treats the entered amount as already including VAT.
- The whole amount is treated as taxable at one selected rate.
Not included
- Product classification, exemptions, reverse charge, partial exemption, flat-rate scheme, imports, exports, and place-of-supply rules.
- VAT returns, input tax recovery, invoice compliance, penalties, and cash accounting.
- Multi-rate invoices or itemized baskets with more than one VAT rate.
FAQs
Can this remove VAT from an inclusive price?+
Yes. Select VAT-inclusive mode to divide the gross price by 1 plus the VAT rate and show the VAT amount separately.
Does this choose the legal VAT rate?+
No. Select the rate that applies to your supply after checking GOV.UK guidance.
How does the UK VAT Calculator calculate the result?+
It uses the UK VAT add/remove formulas: VAT = net price x rate; gross price = net price + VAT; net price = gross price / (1 + rate). At 20% VAT, 1,000 before VAT has 200 VAT and a gross price of 1,200.
What information do I need to use the UK VAT Calculator?+
Add or remove UK VAT using standard, reduced, zero, or custom VAT rates with clear net, VAT, and gross price results.
How accurate is the UK VAT Calculator?+
UK VAT Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the UK VAT Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
Finance guide
How to use the UK VAT Calculator
Add or remove UK VAT using standard, reduced, zero, or custom VAT rates with clear net, VAT, and gross price results. The page also explains the UK VAT add/remove formulas and shows a practical example: At 20% VAT, 1,000 before VAT has 200 VAT and a gross price of 1,200.
- 1
Enter your details
Enter standard, reduced, zero, or custom VAT rates with clear net, VAT, and gross price results, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the UK VAT add/remove formulas: VAT = net price x rate; gross price = net price + VAT; net price = gross price / (1 + rate).
- 3
Compare scenarios
Change one or more inputs to see how they affect the UK VAT Calculator result before you use the estimate.
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