How to add or remove VAT from a price

The simple formulas for adding VAT to a price or working out the VAT inside a VAT-inclusive amount, at any rate, with examples.

Value Added Tax (VAT), called GST or sales tax in some countries, is added to the price of goods and services. The maths is the same everywhere; only the rate changes.

Adding VAT to a price

Multiply the price before VAT by the rate, then add it on. At 20%, multiply by 0.20; at 7.5%, by 0.075.

  • Price before VAT: 1,000
  • VAT at 20%: 1,000 × 0.20 = 200
  • Price including VAT: 1,200

Removing VAT from a VAT-inclusive amount

Divide the total by 1 plus the rate. The difference is the VAT. Don't simply take the rate off the total, which gives the wrong answer.

  • Total paid: 1,200
  • Price before VAT at 20%: 1,200 ÷ 1.20 = 1,000
  • VAT inside the total: 200

Standard rates in the countries we cover

CountryStandard rate
United Kingdom20%
Ghana20% (15% VAT + 2.5% NHIL + 2.5% GETFund levy)
Kenya16%
South Africa15%
Nigeria7.5%
United StatesNo VAT; states and cities set their own sales tax

Anywhere else, enter your own rate in the calculator.

Showing VAT on an invoice

A good invoice shows the subtotal, the VAT rate, the VAT amount and the total separately, together with your VAT or tax number. Our invoice generator does this for you.

Some goods and services are exempt or zero-rated, and rates change. Check the current rules in your country before charging VAT.

Open the VAT calculator

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