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VAT Calculator

Calculate VAT, GST, or sales tax from a net amount and a tax rate, or split the tax out of an amount that already includes it.

About VAT Calculator

Value added tax (VAT) and goods and services tax (GST) are consumption taxes charged as a percentage of the net price. Adding tax: tax = net × rate ÷ 100 and gross = net + tax. Removing tax from a tax-inclusive amount: net = gross ÷ (1 + rate ÷ 100), and the tax is the difference. Enter the rate that applies to you, since rates vary by country and product type. This is a calculation aid, not tax advice.

Also known as: GST Calculator, VAT / Tax Calculator.

How to use VAT Calculator

  1. Fill in "Amount", "Tax rate" and "The amount above is".
  2. The result appears below and updates as you type.
  3. Copy the result with the copy button, or download it as a file where that is offered.

Questions about VAT Calculator

How do I remove VAT from a price that includes it?

Divide the price by 1 plus the rate as a decimal. At 20%, a price of 120 becomes 120 ÷ 1.2 = 100 net, with 20 of tax. Subtracting 20% of 120 would give the wrong answer.

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