How do I work out the VAT in a price that already includes it?

Divide the final price by 1.21 if the rate is 21%, by 1.10 if it is 10% or by 1.04 if it is 4%. The result is the net amount, and the difference from the final price is the VAT. Subtracting the percentage directly from the total gives the wrong figure. If the amount also includes the equivalence surcharge or withholding, the divisor is 1 + (VAT + surcharge − withholding) / 100; the calculator's Total to Net mode takes this into account automatically.

What is the difference between output VAT and input VAT?

Output VAT is what you charge your customers on the invoices you issue. Input VAT is what you pay your suppliers on the invoices you receive. In each return you pay the difference if output VAT is higher, or carry it forward or claim a refund if it is lower.

Do I have to charge VAT when invoicing a client in another country?

It depends on where the client is and whether they are a business or a consumer. For services supplied to businesses in other EU member states, as a general rule no Spanish VAT is charged and the client accounts for it under the reverse charge, provided they have a valid intra-EU VAT number. Specific rules apply to clients outside the EU and to consumers, and they are best checked transaction by transaction.

Do all self-employed people have to charge VAT?

Not all. Those carrying out exempt activities, such as certain healthcare professionals or teachers of regulated education, do not charge VAT. Retailers under the equivalence surcharge scheme pay the surcharge to their suppliers and do not file Form 303. Everyone else must charge it on their invoices.

What happens if I file Form 303 late?

If you file voluntarily before receiving any notice from the Tax Agency, a surcharge applies that starts at 1% and rises by one point for each full month of delay, up to 15% plus interest after one year. If the Tax Agency detects the missing return itself, it may open penalty proceedings with more serious consequences.

Can I recover the VAT on any expense?

Only VAT paid on expenses related to your business activity and supported by a full invoice issued in your name. Specific limits apply to vehicles, which as a general rule are presumed to be 50% business use, and some expenses, such as client entertainment or personal-use goods, are excluded. If you are unsure about a particular expense, our firm can review it with you before you file.

Spanish VAT Calculator (IVA) — Tax Base & Invoice Total

Value Added Tax (VAT, known in Spain as IVA) is the indirect tax on the consumption of goods and services that businesses and the self-employed charge on their invoices. This calculator gives you the VAT amount and invoice total from a net amount in seconds, or works backwards to break down a final amount. It also covers exempt transactions, the equivalence surcharge and the income tax withholding applied by professionals, so it shows both the invoice total and the amount you will actually collect. We explain how these calculations work, which rate applies to each type of transaction and the mistakes that come up most often when invoicing.

What VAT is and who actually bears it

VAT is charged at every stage of the production and distribution chain, but it is designed to be borne by the final consumer. Businesses and professionals act as collectors: they charge VAT to their customers (output VAT), pay VAT to their suppliers (input VAT) and periodically pay the Tax Agency the difference between the two.

For a business that can recover the VAT on its purchases, the tax is therefore not a cost but a cash flow managed on behalf of the authorities. For a private individual, or for exempt activities that carry no right to deduct, input VAT does become an additional cost.

IVA applies on the mainland and in the Balearic Islands. The Canary Islands have their own General Indirect Tax (IGIC), and Ceuta and Melilla apply the IPSI, each with its own rates.

Formulas: from net to gross and from gross to net

The direct calculation starts from the taxable amount, that is, the value of the transaction before tax. The VAT is obtained by multiplying the net amount by the rate, and the total is the sum of both: VAT = net x rate / 100 and total = net + VAT.

The reverse calculation is used when you know the final price, for example a receipt or a quote with VAT included. In that case you cannot simply subtract 21% from the total, because the percentage was applied to the net amount, not to the final price. The correct formula is net = total / (1 + rate / 100), and the VAT is the difference between the total and the net amount.

The calculator offers both modes, Net to Total and Total to Net, and lets you choose between the three rates in force, 21%, 10% and 4%, or mark the transaction as exempt or outside the scope of VAT (0%). If the client is a retailer under the equivalence surcharge scheme, you can add the surcharge matching the chosen rate (5.2%, 1.4% or 0.5%), and if you are a professional you can apply income tax withholding at 15%, or 7% for new professionals. Both the surcharge and the withholding are always calculated on the net amount: the invoice total is net + VAT + surcharge, and the amount to collect then deducts the withholding. In Total to Net mode, the figure you enter is that amount to collect, and the tool works out the net amount by dividing by 1 + (VAT + surcharge − withholding) / 100, adjusting it to the cent so that the rounded amounts add up exactly.

Worked examples

A graphic designer invoices a project at a net amount of 1,000 euros. At the standard 21% rate, the VAT is 210 euros and the invoice total is 1,210 euros. If the client is a business and the designer is an individual, the client will also withhold income tax, which is calculated on the net amount rather than on the total: at the general 15% rate that is 150 euros, so the designer collects 1,060 euros. This is the result the calculator shows when you select that withholding, and in Total to Net mode, starting from 1,060 euros, it returns the same net amount of 1,000 euros.

A restaurant charges 16.50 euros for a set menu, including VAT at 10%. To break it down, divide 16.50 by 1.10, giving a net amount of 15 euros and VAT of 1.50 euros. Had you simply subtracted 10% from 16.50 euros, you would have got a net figure of 14.85 euros, an error that distorts the accounts once repeated across hundreds of receipts.

A greengrocer sells produce for 52 euros including VAT at 4%. The net amount is 52 / 1.04 = 50 euros and the VAT is 2 euros. When the greengrocer buys from its wholesaler and is under the equivalence surcharge scheme, the supplier also charges 0.5% on the net amount: for a net amount of 50 euros, 2 euros of VAT and 0.25 euros of surcharge, 52.25 euros in total.

VAT rates in force in 2026 and what they apply to

Now that the temporary cuts on food approved in previous years have ended, the three rates set out in the VAT Act apply in 2026. The list below is indicative; the exact classification of each product or service depends on the legislation and on the criteria of the Directorate General for Taxation.

Standard rate of 21%: most goods and services, such as electronics, clothing, professional services, advisory work, repairs and telephone services.
Reduced rate of 10%: hospitality and restaurants, passenger transport, sales of new homes, most foodstuffs not covered by the super-reduced rate, water, certain home renovation work and some cultural events.
Super-reduced rate of 4%: basic foodstuffs such as bread, milk, eggs, cheese, fruit, vegetables, pulses and cereals, as well as books, newspapers and magazines, medicines for human use, prostheses and vehicles for people with reduced mobility, and certain categories of officially protected housing.
Exempt transactions: healthcare, regulated education, insurance, most financial services and residential lettings, among others. They carry no VAT, but input VAT relating to them cannot be recovered either.
Equivalence surcharge: individual retailers who resell goods without processing them pay an additional surcharge of 5.2%, 1.4% or 0.5% depending on the VAT rate, and in return do not file periodic VAT returns.

Returns, deadlines and common mistakes

Most self-employed people and SMEs file VAT quarterly using Form 303, due between the 1st and 20th of April, July and October, and by 30 January for the fourth quarter, together with the annual summary on Form 390. Large companies and those in the Immediate Supply of Information system or the monthly refund register file every month.

The most common mistakes include applying the wrong rate to products that seem similar, charging VAT on exempt services, working out VAT-inclusive prices by subtracting a percentage from the total, failing to apply the reverse charge on intra-EU transactions or certain construction work, and deducting VAT on expenses that are not related to the business or lack a full invoice.

Content written and reviewed by the advisory team at Vertice Gestión Empresarial. Results are for guidance only and do not replace professional advice.

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