How to calculate the VAT on an invoice?

Updated on July 20, 2022

Table Of Contents

  1. What is VAT?
  2. How to easily calculate the VAT on an invoice?
  3. Price including VAT (all taxes included):
  4. Price before tax :
  5. Adding the VAT
  6. Base price plus VAT
  7. Recommendations
  8. Valencia, Spain

When you buy something, you need an invoice to keep track of everything you’ve purchased, as well as the cost. This document must include information on the applicable sales tax. A lot of folks aren’t sure about it. Here, we’ll show you how to compute VAT on an invoice if you’re one of those people.

What is VAT?

There’s a full explanation of value-added tax (VAT) here if you’re unsure what it is.
A tax, levy, or additional charge must be paid for each product or service.

How to easily calculate the VAT on an invoice?

You need to know how this calculation is made because it is used frequently in the market. If you run a business, are a director, are starting a business, or are just a citizen, this course is for you. We’ll show you a few quick and easy ways to accomplish this.

Price including VAT (all taxes included):

The VAT is included in the final price if the price quoted is inclusive of VAT. In other words, it’s the one that shows up on the invoice when you make a purchase. Simply keep an eye on the price and the percentage number if you’re trying to figure it out.

Using this amount as a starting point, divide by the VAT %. Is this possible? You don’t have to think about it. For example, if the total cost is €2,000 and the VAT rate is 10%, you divide €2,000 by 1.10. You’ll get a total of €1,818.18 after subtracting the VAT. It’s necessary to subtract the result, which is €1,818.18, from the invoice total (€2,000).

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You’ll get €181.82 as a result, indicating that the VAT to be included in the invoice is this last sum. If the VAT rate is 20%, you must multiply the percentage by 1.20. If the percentage is 15%, the answer is 1.15. In order to get the %, you’ll need to add 1.

Price before tax :

The VAT is not included in the pricing if the purchase is exempt from tax. After that, the VAT must be figured up. If you’re just getting started, this may be a bit of a challenge. It will be much simpler, however, if all the numbers are in place. In order to compute VAT on the sales price before tax, multiply the sales price before tax by the applicable VAT rate.

But how can you make sure that you’ve included VAT in the price? That’s also a piece of cake. Let’s use the €2,000 VAT-inclusive invoice from the previous section as an example. Adding 10% (VAT rate), or €181.82 to the ex-VAT price (€1,818.18), is required here.
This manner, you can be sure that everything went according to plan.

Adding the VAT

This time, you want to add the VAT percentage to the price of one or more things you’re purchasing. As difficult as it may seem at first glance, this really isn’t. For this, multiply the basic price of these products by the corresponding proportion. For example, if it is 10% and you multiply it by 0.10.

If the product costs €1,215 and the VAT is 10%, then the pre-tax price is €1,215. You get €121.5 if you take €1,215 and multiply it by a factor of 10. This means that the VAT is €121.50. You’re still not getting it, aren’t you? Let’s have a look at the example from the previous paragraph to make it easier to understand.

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For the sake of argument, let’s say the item costs €1,818.18 before taxes and the VAT rate is 10%. The VAT amount is €181.82 if you multiply €1,818.18 by 0.10 percent, which is €181.82.
When you add €1,818.18 and €181.82 together, you get the invoice amount of €2,000, which includes VAT.

Base price plus VAT

You can also divide the base price by the VAT to get the total cost. In this context, the procedure is to multiply the price of the product without VAT by 1.10. (adding the number 1 to the percentage). To put it another way, multiplying €1,818.18 by 1.10 results in €2,000.


Several methods for calculating VAT on an invoice have been demonstrated. We’ve already covered the many approaches you can take. Because of this, we advise independent contractors, sole proprietors, and directors to prepare ahead of time.