Tax calculation

Value-Added Tax (VAT) Calculator

Add a VAT percentage to a net price and separate the resulting gross price into its net and tax components.

Price and tax inputs

Enter the net price and VAT rate

VAT
VAT breakdown

Net, tax, and gross price

Your VAT breakdown will appear here

Enter a nonnegative net price, select the currency, and provide a VAT rate from 0% to 100%.

What is VAT Calculator?

The VAT calculator adds a chosen value-added-tax rate to a net price. It reports the net amount, VAT amount, and gross price in the selected currency. This is useful for a straightforward taxable sale when one rate applies to the whole entered amount. VAT rules vary widely by country and transaction: goods or services may use a standard, reduced, or zero rate, may be exempt, or may have special place-of-supply, import, discount, invoicing, and rounding rules. The result is an arithmetic estimate rather than tax or accounting advice.

How to Use This Calculator

  1. Enter the net price before VAT as a nonnegative amount.
  2. Select the currency symbol that labels all results. The selection does not perform foreign-exchange conversion.
  3. Enter the applicable VAT percentage as a number such as 20 for 20%.
  4. Choose Calculate to see net price, VAT amount, and final price including VAT.

Determine the correct taxable amount and rate from the authority governing the transaction. If a receipt already shows a VAT-inclusive gross price, this net-to-gross form is not the direct reverse calculation. Discounts, shipping, deposits, mixed-rate baskets, partial exemptions, and business-to-business arrangements may require separate treatment.

Formula Used

VAT amount = net price × VAT rate ÷ 100
Gross price = net price + VAT amount
Gross price = net price × (1 + VAT rate ÷ 100)

For a reverse calculation from a VAT-inclusive gross price:

Net price = gross price ÷ (1 + VAT rate ÷ 100)

The page performs the forward net-to-gross calculation and rounds displayed money values to two decimal places. A zero rate yields zero VAT but should not be confused automatically with a legally exempt supply.

Variables Explained

VAT calculator inputs and results
ValueMeaning
Net priceTaxable amount before VAT for the simple calculation.
VAT rateApplicable percentage entered as 20 for 20%.
CurrencyDisplay symbol for all amounts; no exchange conversion occurs.
VAT amountNet price multiplied by the percentage rate.
Gross priceNet price plus VAT, representing the final tax-inclusive amount.
RoundingMoney results displayed to two decimal places; invoice rules may specify another sequence.

Worked Example

With a net price of £100 and a VAT rate of 20%, VAT is £100 × 20 ÷ 100 = £20.00. The gross price is £100 + £20 = £120.00. The response therefore keeps the net amount at £100.00, reports £20.00 tax, and reports £120.00 including tax. If £120 were already the gross price, simply taking 20% of £120 would be wrong; the included tax would be £120 × 20 ÷ 120 = £20.

Why Use This Calculator?

The result answers one narrow question: what a stated rate adds to a stated net taxable amount. It does not confirm that the seller is registered, the item is taxable, the selected percentage is current, or the chosen country’s rules apply. Currency symbols such as $ or Rs can represent more than one national currency, so keep a clear currency code in business records.

Invoice-level totals can differ by a cent when a system rounds tax per line rather than on the invoice subtotal. Follow the jurisdiction’s invoicing and rounding rules. Businesses should retain the evidence and tax invoices required by their authority and use qualified accounting or tax advice for cross-border sales, imports, digital services, refunds, mixed supplies, reverse charges, or partial recovery of input tax.

Common Mistakes

  • Entering 0.20 when intending 20% calculates only 0.20% VAT.
  • Applying a net-to-gross formula to a price that already includes VAT adds tax twice.
  • Assuming the standard rate applies to every item overlooks reduced, zero-rated, and exempt categories.
  • Treating the currency selector as an exchange-rate converter mixes monetary units.
  • Rounding every intermediate line differently from the required invoice method can change the final cents.
  • Using a rate from another country or an old period can create an incorrect liability.
  • Calling zero-rated and exempt supplies identical ignores important legal and input-tax differences.

Frequently Asked Questions

What is the difference between net and gross price?

Net price is the amount before VAT in this calculation. Gross price is the net amount plus the calculated VAT.

How do I enter a 20 percent VAT rate?

Enter 20, not 0.20. The calculation divides the entered percentage by 100.

Can I remove VAT from a gross price here?

The form is designed to add VAT to a net price. To reverse a gross price, divide gross by one plus the rate as a decimal, subject to local rules.

Does selecting a currency convert the amount?

No. It changes the displayed symbol only. Enter all amounts in one currency and perform any required exchange conversion separately.

Is zero-rated the same as exempt?

No. Both may show no VAT charged to the customer, but legal classification and recovery of input tax can differ by jurisdiction.

Why might an invoice differ by one cent?

Tax may be rounded per line, by tax category, or on a subtotal. The required sequence and precision depend on the invoicing rules and system.

Does this determine the correct VAT rate?

No. You supply the rate. Confirm the current rate and classification with the relevant tax authority or a qualified adviser.

Sources & References

The European Commission’s VAT taxable-amount guidance explains that VAT is charged on the taxable consideration. The UK government describes the basic net price, VAT, and gross price relationship. Its VAT Notice 700 also explains the different fraction needed when tax must be extracted from an already VAT-inclusive price. Check the authority for the actual transaction.