VAT Calculator

Written by the CalculatorBoss Finance Team · Reviewed against a reference implementation with a recorded test suite · Last updated August 2026

What VAT is, and who actually pays it

Value-added tax is charged at every stage of a supply chain, but only once in economic terms. A business adds VAT to what it sells, reclaims the VAT on what it buys, and hands the difference to the tax authority. Do that at each link in the chain and the total collected comes to exactly the rate applied to the final retail price — the tax lands on the end consumer, while every business in between is really acting as an unpaid collector.

That design is why it is so widely used: more than 170 countries operate a VAT or an equivalent, and it raises a large share of government revenue almost everywhere it exists. It also resists evasion in a way a single-stage tax does not, because each business reclaims what its supplier charged and both sides therefore want the transaction on paper.

For anyone using a calculator, the practical consequence is that two prices exist for the same thing. The net price excludes VAT and is what a registered business effectively pays, since it reclaims the tax. The gross price includes it and is what a consumer pays. Business quotes are usually net; retail prices in most VAT countries must be displayed gross. Confusing the two is the single most common source of a mispriced quote.

VAT and US sales tax are not the same tax

The United States is the only large economy without a national VAT, which is why the whole concept feels unfamiliar to most American buyers and sellers. States levy a retail sales tax instead, often with county and city rates stacked on top.

Three differences matter in practice:

• When it is collected. Sales tax is charged once, at the final sale. VAT is charged at every stage, with businesses reclaiming what they paid.
• Whether it is in the sticker price. US shelf prices exclude sales tax and it appears at the register. Most VAT countries require the displayed price to already include it, which is why a European price tag is the price you actually pay.
• How high it goes. Sales tax typically runs 4% to 10%; VAT standard rates run 15% to 27%. A single-stage tax has to be taken in one hit, so it cannot be pushed as high without inviting avoidance.

There is also a structural difference that rarely gets mentioned: sales tax can cascade. If a business buys a taxed input and resells it without a valid exemption certificate, the same value is taxed twice. VAT's reclaim mechanism prevents that by design. If you need US figures rather than VAT, the sales tax calculator handles state and local rates directly.

When a US business has to deal with VAT

Having no VAT at home does not mean never encountering one. The common cases are worth knowing before a tax authority abroad raises them for you.

• Selling digital products or services to consumers abroad. The UK and the EU tax digital sales where the customer is, not where the seller is, and for non-resident sellers the registration threshold is frequently zero. Software, courses, subscriptions and ebooks all land here.
• Shipping physical goods to overseas customers. Import VAT is due on arrival, and marketplaces often collect it on low-value consignments on your behalf. Whether you or the buyer pays depends on the terms you sell under.
• Buying from overseas suppliers. An invoice from a European supplier may show VAT, or may show none at all under a reverse-charge rule that makes the buyer account for it.
• Traveling. Prices abroad already include VAT, and on goods you carry home you can often reclaim it through a tourist refund scheme.

In each case the arithmetic is the same and only the rate changes — enter the destination country's rate and the calculator does the rest. What it cannot tell you is whether you are required to register in the first place, which is a question for that country's tax authority or an adviser.

How this calculator works

All of it rests on one relationship. VAT is a percentage of the net price, and the gross price is the two added together:

Rearranging that gives every case. Fill in any two of the four boxes and the calculator works out the other two, shading the ones it filled in so you can see at a glance which figures were yours:

• Adding VAT — enter the rate and the net price. gross = net × (1 + rate ÷ 100). At 20%, $480 × 1.20 = $576, of which $96 is VAT.
• Removing VAT — enter the rate and the gross price. net = gross ÷ (1 + rate ÷ 100). At 20%, $2,340 ÷ 1.20 = $1,950, so the VAT was $390.
• Working out the rate — enter the net and gross prices, or the net price and the tax, and the rate falls out of them.
• Recovering the prices — enter the rate and the tax amount, or the gross price and the tax, when that is all an invoice gives you.

The rate itself can be derived whenever you have two amounts:

A $480 net price and a $576 total gives (576 − 480) ÷ 480 × 100 = 20%. That is genuinely useful when a supplier sends a total with no breakdown, or when you are checking whether a foreign invoice used the rate you expected.

One consequence surprises people: VAT is never the same percentage of the total as the rate itself. At a 20% rate, the VAT is 20% of the net but only 16.67% of the gross. That gap is the whole reason the reverse calculation needs a division rather than a subtraction.

The mistake that makes reverse VAT wrong

Take $2,340 including VAT at 20% and subtract 20% of it. You get $1,872. It looks like the answer and it is not: the correct net price is $1,950, and the two differ by $78.

The reason is that the 20% was applied to $1,950, not to $2,340. Twenty per cent of the smaller figure is $390; twenty per cent of the larger one is $468. Subtracting the wrong one leaves you short. The error scales with the amount, so it stays invisible on a coffee receipt and becomes expensive on a $40,000 invoice.

There are two reliable ways to avoid it. Divide by 1.20 rather than subtracting, or use the VAT fraction: at 20% the tax inside any total is exactly one sixth of it, so $2,340 ÷ 6 = $390 of VAT, leaving $1,950. At a 5% rate the fraction is one twenty-first. The reference card below the calculator lists both, so you can sanity-check any result by hand rather than trusting the tool blindly.

Standard, reduced, zero — and exempt

Most VAT systems run several rates at once. A standard rate covers the great majority of goods and services, one or two reduced rates cover things a government wants to keep cheaper — domestic energy, children's items, some foodstuffs — and a zero rate covers essentials such as most food, children's clothing and books. Which rate applies depends on what is sold, not on who sells it, so a single shop can be charging all three in one transaction.

The distinction worth understanding is between zero-rated and exempt, because they look identical to the customer and are not remotely the same for the seller. A zero-rated supply sits inside the VAT system at a rate of 0%: no VAT is charged, but the business still reclaims the VAT on its own costs. An exempt supply — insurance, most education, health services, residential rent — sits outside the system: no VAT is charged and the related input VAT generally cannot be reclaimed, so the tax becomes a cost the business absorbs.

The practical upshot is that a business making only exempt supplies usually cannot register at all, while one making zero-rated supplies often registers voluntarily and reclaims more than it charges.

Rates around the world, and why GST is the same thing

Standard rates vary far more than people expect. Within the EU they run from 17% in Luxembourg to 27% in Hungary, against an average of roughly 22% and a legal floor of 15% that member states may not go below. The UK sits at 20% and has since 2011. Switzerland, outside the EU, charges 8.1% — the lowest in western Europe by a wide margin, and a well-known driver of cross-border shopping from France, Germany and Austria.

Outside Europe the same tax usually answers to a different name. Australia, New Zealand, Canada, Singapore and India all call theirs a goods and services tax, and the mechanism is identical: charged at each stage, reclaimed by businesses, borne by the final consumer. The rates tend to be lower — 10% in Australia, 15% in New Zealand, 5% for Canada's federal GST — and the exception lists differ enough that local rules matter far more than the label. No country operates a VAT and a GST as two separate taxes.

The table below the calculator lists the standard and reduced rates for the jurisdictions people ask about most often, and highlights any country matching the rate you have entered. Rates move with national budgets more often than you would think, so treat any table — including this one — as a starting point rather than the last word before you file a return.

What this calculator does not cover

A rate-and-amount tool answers one question well and deliberately leaves the harder ones alone.

• Whether you have to register. Thresholds differ by country and are often zero for non-resident sellers. This tool prices a transaction; it does not tell you that you are liable for one.
• Which rate applies to your product. Classification is where most VAT disputes actually happen, and it turns on detail no calculator can see. The tool applies whatever rate you give it.
• Place-of-supply rules. For cross-border and digital sales the country whose VAT applies is often the customer's, not yours, and schemes such as the EU's One Stop Shop change how it is reported rather than which rate is due.
• Flat rate and margin schemes. Simplified schemes charge a fixed percentage of gross turnover, or tax only the margin on second-hand goods. Neither follows the standard arithmetic here.
• Reverse charge. On many business-to-business cross-border supplies the buyer accounts for the VAT rather than the seller, so the invoice shows none at all.

Rounding is worth a note too. Tax authorities generally allow VAT to be calculated on the invoice total rather than line by line, and their rounding conventions differ, so a line-by-line total and an invoice-level total can differ by a cent or two on a long document. That is normal rather than an error. This calculator rounds to two decimal places.

Frequently asked questions

Do I need to charge VAT if my business is in the US?

Not on domestic sales — the US has no VAT. But selling goods or digital services to consumers in the UK, EU or another VAT country can make you liable to register and charge VAT there, often from the first sale for digital services. Use this calculator with the destination country's rate to work out what the customer pays and what you owe. Confirm your obligation with that country's tax authority or an adviser before you start collecting.

What is the difference between VAT and sales tax?

Sales tax is collected once, at the final retail sale, and is added at the register on top of the shelf price. VAT is collected at every stage of the supply chain, with each business reclaiming what it paid its supplier, and it is normally built into the displayed price. Sales tax rates are much lower — typically 4% to 10% against 15% to 27% for VAT — because the whole amount has to be taken in one hit rather than accumulated.

How do I remove VAT from a price?

Divide the total by 1 plus the rate as a decimal. At a 20% rate that means dividing by 1.20: a gross total of $2,340 becomes $1,950 net, with $390 of VAT. Do not subtract 20% from the total — that gives $1,872, which is $78 short, because the 20% was charged on the smaller net price rather than on the total.

How do I add VAT to a price?

Multiply the price before tax by 1 plus the rate as a decimal. At 20%, multiply by 1.20 — a net price of $480 becomes $576, with $96 of VAT. At a 5% reduced rate you multiply by 1.05 instead, so $850 becomes $892.50.

What is the quick way to work out VAT in my head?

Use the VAT fraction. At 20% the VAT contained in a total is exactly one sixth of it, so a $2,340 total divides by 6 to give $390 of VAT. At a 5% rate the fraction is one twenty-first. It is the same arithmetic as dividing by 1.20, just easier without a calculator — handy for checking a receipt while traveling.

Can I get VAT refunded on what I bought abroad?

Often, on goods you carry home. Many countries operate a tourist refund scheme for visitors from outside their VAT area: you ask for the paperwork at the store, get it validated when you leave, and claim the VAT back, usually minus a processing fee. It applies to goods rather than hotels and meals, usually has a minimum spend, and the EU no longer offers it to UK residents. Enter the country's rate and the receipt total to see roughly what is at stake.

What is the difference between zero-rated and exempt?

Zero-rated supplies are inside the VAT system but charged at 0%, so the business still reclaims the VAT it paid on its own costs. Exempt supplies are outside the system altogether: no VAT is charged and the related input VAT generally cannot be reclaimed. The customer pays nothing either way, but the effect on the seller's costs is very different.

Is VAT the same as GST?

Mechanically, yes. Australia, New Zealand, Canada, Singapore and India call their value-added tax a goods and services tax, and it works the same way — charged at each stage, reclaimed by businesses, borne by the final consumer. The rates and the lists of exceptions differ a great deal, so the name matters less than the local rules. No country runs a VAT and a GST side by side.

This calculator provides estimates for general information only and is not tax, accounting or legal advice. VAT and GST rates, registration thresholds, exemptions and rounding rules are set by national tax authorities and change regularly; confirm current figures with the relevant authority or a qualified adviser before invoicing or filing. Learn more about how we build these tools or read our privacy policy.