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VAT Calculator

Add or remove value-added tax from a price, showing the VAT amount, net price, and gross price for tax-inclusive or tax-exclusive pricing.

Published

VAT result
Gross price including VAT
$120.00
VAT amount
$20.00
Net price
$100.00
Gross price
$120.00
VAT rate
20%

$100.00 before VAT becomes $120.00 after adding 20% VAT.

Price entered
Enter the price before VAT if adding tax, or the tax-inclusive price if removing VAT.
$
The value-added tax rate that applies to the sale.
%

Results update as you type.

VAT Calculator

The VAT Calculator converts between tax-exclusive and tax-inclusive prices under a value-added tax system. Choose whether the amount you know is the net price before VAT or the gross price that already includes VAT, enter the applicable rate, and the calculator displays the VAT amount, net price, gross price, and rate. It is built for invoice checks, quote preparation, ecommerce price reviews, and understanding how much VAT is embedded in a VAT-inclusive price.

VAT is not the same thing as U.S. sales tax. A retail sales tax is often collected once from the final buyer. VAT is generally charged at multiple stages of a supply chain: suppliers charge VAT on taxable sales, businesses may claim credit for VAT paid on inputs, and the final consumer bears the economic cost. This calculator does not model input credits or filings. It only performs the single-price arithmetic shown by the calculator’s calculate() function.

Choosing net or gross price

Select Net price when your amount is before VAT and you want to add tax. A supplier quote, wholesale price, or tax-exclusive listing often starts here. Select Gross price when the price already includes VAT and you want to find the amount before tax. Retail shelf prices in VAT countries often start here because consumer prices may be displayed tax-inclusive.

The VAT rate should match the product, service, country, and transaction date. Many VAT systems have a standard rate plus reduced, zero-rated, exempt, or special categories. A book, restaurant meal, hotel stay, digital service, or cross-border business supply may not use the same rate as a general domestic sale. Always confirm the rate with the relevant tax authority before using the number for billing or filing.

Formula used by the calculator

When adding VAT to a net price, the calculator multiplies the net amount by one plus the rate:

gross price=net price×(1+VAT rate100)\text{gross price} = \text{net price} \times \left(1 + \frac{\text{VAT rate}}{100}\right)

The VAT amount is the tax-inclusive price minus the tax-exclusive price:

VAT amount=gross price−net price\text{VAT amount} = \text{gross price} - \text{net price}

When removing VAT from a gross price, the calculator reverses the relationship with division:

net price=gross price1+VAT rate100\text{net price} = \frac{\text{gross price}}{1 + \frac{\text{VAT rate}}{100}}

That division is the key distinction people often miss. If a $120 price includes 20% VAT, the tax is not $24. The $120 already contains both the $100 net price and the $20 VAT charged on that net price.

Checking the primary result

With Net price selected, suppose the amount is $100.00 and the VAT rate is 20%. The calculator uses a decimal rate of 0.20:

gross price=100.00×(1+20100)=120.00\text{gross price} = 100.00 \times \left(1 + \frac{20}{100}\right) = 120.00

Then it subtracts net from gross:

VAT amount=120.00−100.00=20.00\text{VAT amount} = 120.00 - 100.00 = 20.00

The results shows Gross price including VAT: $120.00, VAT amount: $20.00, Net price: $100.00, Gross price: $120.00, and VAT rate: 20%. If you instead choose Gross price and enter $120.00 at 20%, the calculator divides 120 by 1.20 and returns $100.00 as the net price before VAT with the same $20.00 tax amount.

How VAT fits into the tax system

VAT is a consumption tax, but it is collected in pieces as value is added. A manufacturer may charge VAT to a wholesaler, the wholesaler may charge VAT to a retailer, and the retailer may charge VAT to the final consumer. Registered businesses generally account for VAT collected on sales and VAT paid on purchases, remitting the net amount according to local rules. The final consumer usually cannot recover VAT, so the tax becomes part of the purchase cost.

Because VAT is embedded in invoices and prices, the net-versus-gross distinction matters. Businesses may need net prices for accounting, margin analysis, and VAT returns. Consumers may need gross prices for comparing what they actually pay. A marketplace seller may need both: a consumer-facing tax-inclusive price and an internal breakdown for invoice records.

For related calculations, use the sales tax calculator when the transaction is a U.S.-style point-of-sale tax, the GST calculator for goods and services tax price conversions, and the percent off calculator when a discount changes the net price before VAT is applied.

Tips and limitations

  • Do not remove VAT by subtracting the headline rate from the gross amount; use division by one plus the rate.
  • Keep the same currency throughout the calculation. VAT math does not perform foreign exchange conversion.
  • Check whether the transaction is standard-rated, reduced-rated, zero-rated, or exempt before choosing a rate.
  • Preserve invoice evidence if you are a business claiming input tax credit.
  • Treat this page as informational only. VAT rates, registration thresholds, place-of-supply rules, reverse charge rules, and reporting formats can change. Consult current official guidance or a tax professional for compliance.

Sources

  • UK Government, Rates of VAT on different goods and services — official VAT rate categories and examples.
  • European Commission, VAT — overview of value-added tax in the European Union.
  • UK Government, VAT — business VAT registration, charging, and recordkeeping guidance.

Frequently asked questions

How do I add VAT to a net price?
Choose Net price, enter the amount before VAT, and enter the applicable VAT rate as a percent. The calculator multiplies the net amount by one plus the rate and reports the gross tax-inclusive price. The VAT amount is the difference between that gross price and the original net price.
How do I remove VAT from a gross price?
Choose Gross price and enter the VAT-inclusive amount. The calculator divides the gross price by one plus the VAT rate to find the net price. This is why removing 20 percent VAT from a tax-inclusive price is not the same as subtracting 20 percent from that price.
How is VAT different from sales tax?
VAT is a value-added tax charged through multiple stages of production and distribution, with businesses often crediting VAT paid on inputs against VAT collected on sales. U.S. retail sales tax is generally collected only from the final consumer. The arithmetic may look similar, but the tax systems are different.

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