Finance calculator

United Kingdom flagUnited Kingdom - 2026

UK VAT Calculator Planning Guide

Add or remove UK VAT using standard, reduced, zero, or custom VAT rates with clear net, VAT, and gross price results.

FormulaVAT = net price x rate; gross price = net price + VAT; net price = gross price / (1 + rate)

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.

SourcesThis 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.

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.
FAQ6 common questions for this calculator.

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?+

For the UK VAT Calculator, 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?+

For the UK VAT Calculator, enter standard, reduced, zero, or custom VAT rates. Keep the units consistent with the calculator fields and compare your setup with the worked example on the page.

How accurate is the UK VAT Calculator?+

UK VAT Calculator is accurate for the rates, amounts, dates, and rules entered. It uses the UK VAT add/remove formulas shown on this page. Real products can differ because of fees, taxes, contract terms, or changing official thresholds.

What should I check before using the UK VAT Calculator result?+

For the UK VAT Calculator, check standard, reduced, zero, or custom VAT rates, then compare the UK VAT add/remove formulas and worked example with the contract or source you will rely on. Fees, tax year, currency, and payment timing can change the final decision.

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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. 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. 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. 3

    Compare scenarios

    Change one or more inputs to see how they affect the UK VAT Calculator result before you use the estimate.