VAT calculators
Free calculators that show their working. Each one says which country's rules it uses: most follow UK HMRC rules today, and every EU country has its own rate calculator.
GBUK only: HMRC rules
UK VAT calculators
GBUK onlyUK VAT late payment and penalty calculatorLate payment penalties, HMRC interest and £200 late filing points, at the April 2025 rates.OpenGBUK onlyHMRC interest calculator for UK VATLate payment and repayment interest, split at every HMRC rate change. 7.75% today.OpenGBUK onlyUK VAT return deadline calculatorYour return and payment due date, Direct Debit date and next four quarters.OpenGBUK onlyUK VAT registration threshold checkerRolling 12 month turnover against the £90,000 threshold, with your registration dates.OpenGBUK onlyUK VAT Flat Rate Scheme calculatorAll 54 sector rates, the limited cost trader test and a side by side with normal accounting.OpenGBUK onlyUK fuel scale charge calculatorVAT on private fuel for company cars, from the table for periods from 1 May 2026.OpenGBUK onlyUK VAT margin scheme calculatorVAT on the margin for used cars, antiques and second-hand goods.Open
ANYAny country
Calculators for any VAT rate
ANYAny countryVAT calculatorAdd or remove VAT at 20%, 5% or any rate, with the working shown.OpenANYAny countryReverse VAT calculatorTake VAT out of a VAT-inclusive price and see the VAT fraction.OpenANYAny countryProfit margin calculator with VATMargin and markup worked out on the price before VAT, or the price for the margin you want.Open
EUCountry by country
VAT calculators for other countries
Each EU country, plus Norway, Switzerland and Iceland, has its own page with its standard and reduced rates and an add or remove VAT calculator in its currency.