Do you need to add VAT to a net price or remove it from a gross total? This VAT calculator does both at once. From an amount, the rate, the quantity, an optional discount and accessory fees, it calculates the taxable base, the VAT to add and the total with VAT (if the amount is net) and, in parallel, the net amount extracted and the VAT included (if the amount is gross). It is the right tool for individuals, professionals and companies who work every day with prices, quotes and invoices.

What VAT is

VAT (Value Added Tax) is a consumption tax applied to most goods and services. It is an "indirect" tax: the final consumer pays it, but it is collected and remitted to the State by the businesses along the chain. It is expressed as a percentage of the net price and is added to it to form the final price. Knowing how VAT is calculated, added and removed is essential for anyone who issues or receives invoices and quotes.

How to add VAT (from net to gross)

Adding VAT means starting from a net price (taxable base) and calculating how much extra tax is paid, to arrive at the final gross price. The formula is simple: VAT = taxable base × rate ÷ 100, and the total is taxable base + VAT. With €100 of taxable base and a rate of 22%, the VAT is €22 and the total is €122. It is the calculation made by those who set a selling price starting from the net cost.

How to remove VAT (from gross to net)

Removing VAT is the inverse operation: starting from a gross price (VAT included) and finding how much VAT it contains and what the taxable base is. It is not calculated by simply subtracting the percentage: the net is the gross divided by (1 + rate ÷ 100). From €122 gross at 22%, the net is 122 ÷ 1.22 = €100 and the VAT included is €22. It is the most common mistake: subtracting 22% from €122 gives €95.16, which is wrong. The calculator does it correctly.

How the calculator works

Enter five values: the amount, the VAT rate, the quantity, an optional discount and the accessory fees. The calculator applies the discount, multiplies by the quantity and adds the fees to get the base, then shows both directions in parallel: the VAT to add and the total (if the amount is net) and the net extracted and the VAT included (if the amount is gross). This way you cover every need with a single calculation.

The values you need

The amount is the unit price, net or gross depending on what you need. The VAT rate is the applicable percentage (it varies by country and type of good). The quantity multiplies the amount. The discount is an optional percentage reduction on the price. The accessory fees (for example shipping) are added to the taxable base, because they are usually also subject to VAT. Set the correct rate for your country and product category.

The taxable base

The taxable base is the amount on which the VAT is calculated: the unit price net of the discount, multiplied by the quantity, plus any accessory fees. It is the starting point of the whole calculation. Defining it correctly is important because the discount must be applied before the VAT, and shipping fees are usually part of the taxable base. A wrong base leads to a wrong VAT and total.

The VAT to add

The VAT to add is the tax calculated on the taxable base, when the entered amount is net: base × rate ÷ 100. It is how much is added to the net price to obtain the final price the customer pays. It is the number a company indicates separately on the invoice and will have to remit to the State (net of the VAT paid on its own purchases, under the deduction mechanism).

The total with VAT

The total with VAT is the final gross price: taxable base plus VAT. It is the figure the customer actually pays. For a company it is important to distinguish it from the taxable base, because the VAT is not a revenue but a tax to remit. For a consumer, it is the "all-inclusive" price. The calculator shows it immediately, useful for quotes, price lists and to communicate clear prices to customers.

The net amount extracted

The net amount extracted is the net price derived from a gross amount: gross divided by (1 + rate ÷ 100). It is needed when you know the final VAT-inclusive price and have to work back to the net, for example to record an expense in the accounts or to understand how much of a price is tax. It is a frequent operation for those who manage purchases and expense reports, and the calculator performs it with the correct formula, avoiding the mistake of the simple percentage subtraction.

The VAT included

The VAT included is the share of tax contained in a gross price: the difference between the gross and the net extracted. It is useful to understand how much of a final price is tax: on €122 at 22%, the VAT included is €22. For companies it is the figure to record as deductible VAT on purchases; for consumers it is simply how much of the purchase goes to the State. Seeing it spelled out helps to read receipts and invoices correctly.

The discount and the accessory fees

The discount must be applied before the VAT calculation: the tax is calculated on the already-discounted price, not on the full one. The accessory fees, such as shipping, are usually added to the taxable base and therefore are also subject to VAT. The calculator correctly handles the order of operations: first the discount on the unit price, then the multiplication by the quantity, then the addition of the fees, finally the VAT. It is the order used on invoices.

The VAT rates

The rates vary a lot by country and product category. Some indicative references:

Essential goods, books and medicines often have reduced rates. Always check the correct rate for your country and product and set it in the calculator.

Adding vs removing

The two operations start from different points and use different formulas:

The classic mistake is removing by subtracting the percentage: subtracting 22% from €122 gives €95.16, not €100. Dividing by 1.22 is the correct method.

The VAT included by rate

The share of VAT contained in a gross price depends on the rate:

You can see that the VAT included as a percentage of the gross is always lower than the nominal rate, precisely because the rate applies to the net, not the gross.

VAT, sales tax and GST around the world

VAT is the prevailing model in Europe and much of the world: it applies at each step of the chain with a deduction mechanism. In the United States, sales tax is used instead, applied only to the final sale and varying by state and city. In other countries it is called GST (Goods and Services Tax). The logics differ, but the basic calculation — adding or removing a percentage — is the same: the calculator works for any consumption tax expressed as a percentage.

Common mistakes

• Removing VAT by subtracting the percentage instead of dividing by (1 + rate).
• Applying VAT before the discount instead of after.
• Forgetting that shipping fees are usually subject to VAT.
• Using the wrong rate for the product category.
• Confusing the taxable base (net) with the total (gross) on the invoice.

How to use the calculator

Enter the amount and the rate, then quantity, discount and fees if needed. Read the results in the direction you need: if you have a net price, look at the VAT to add and the total; if you have a gross price, look at the net extracted and the VAT included. Change the rate to match your country. It is useful to prepare quotes, check invoices and understand how much of a price is tax.

Practical example

You have a product with a unit price of €50, a 10% rate, you sell 3 pieces with a 10% discount and €5 of shipping. The result: a discounted price of €45 per piece, a taxable base of €140 (45 × 3 + 5), a VAT to add of €14 and a total with VAT of €154. If instead those €140 were already gross, the net amount extracted would be €127.27 and the VAT included €12.73, with a discount applied of €15. Enter your numbers for your real situation. VAT rates vary by country and product category: check the correct one for your case.

Frequently asked questions

How do you add VAT to a price?

You multiply the taxable base by the rate divided by 100 to get the VAT, then add it to the base. With €100 at 22%: VAT = €22, total = €122. It equals multiplying by (1 + rate/100).

How do you remove VAT from a gross price?

You divide the gross by (1 + rate/100). From €122 at 22%: net = 122 ÷ 1.22 = €100, VAT included = €22. You do NOT subtract the percentage from the gross: that would be a mistake.

Why is removing not subtracting the percentage?

Because the rate applies to the net, not the gross. Subtracting 22% from €122 gives €95.16, wrong. The correct net is €100, obtained by dividing 122 by 1.22.

Is the discount applied before or after VAT?

Before. The VAT is calculated on the already-discounted price, not on the full one. The calculator applies the discount to the unit price, then multiplies by the quantity and finally calculates the VAT.

Are shipping fees subject to VAT?

Usually yes: accessory fees such as shipping are added to the taxable base and therefore bear VAT at the same rate as the good. The calculator adds them to the taxable base.

What is the difference between net and total?

The net (taxable base) is the price without VAT; the total (gross) is net plus VAT, that is what the customer pays. For a company the VAT is not a revenue but a tax to remit to the State.

Why is the VAT included less than the rate?

Because the rate applies to the net, not the gross. On €100 gross at 22%, the VAT included is €18.03 (18.03% of the gross), not €22. The percentage of the gross is always lower than the nominal rate.

Which VAT rate should I use?

It depends on the country and the type of good or service. The standard rate in the EU is between 19% and 25%; essential goods, books and medicines often have reduced rates. Set the correct one for your case.

Does the calculator also work for US sales tax?

Yes, for the basic calculation. Sales tax applies only to the final sale (not at each step like VAT), but adding or removing a percentage works the same way. Enter the sales tax rate instead of VAT.

Can I calculate VAT on multiple pieces?

Yes, enter the quantity: the calculator multiplies the (discounted) unit price by the quantity before adding the fees and calculating the VAT, as in an invoice line.

Is VAT a cost for the company?

No, for businesses VAT is "neutral": it is collected from customers and remitted to the State, deducting the VAT paid on purchases. It is a cost only for the final consumer, who cannot deduct it.

Does it work for any country and currency?

Yes, the calculation is universal and uses the values in your currency. Just set your country's rate. The logic of adding and removing is identical everywhere for any percentage consumption tax.

Updated July 2026