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CALCPARK

VAT Calculator

Add VAT to a net price or take it out of a gross price at any rate. Preset chips for common rates (5–27%), the tax amount, and the same amount shown at other rates.

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How to use it

  1. Choose which amount you know: the net price, the gross (tax-included) price or the tax itself.
  2. Type the amount and the rate, or click a rate chip. The other two amounts appear immediately.
  3. Optionally add a currency label (it only affects how amounts are shown) and read the comparison table to see the same amount at other rates.
  4. Copy the net + VAT = gross line for an invoice or quote, or copy the link to share the exact calculation.

Example

A supplier quotes 2,500 net at 20%: VAT is 2,500 × 0.20 = 500 and the gross price is 3,000. A receipt shows 3,000 including 20% VAT: the net is 3,000 ÷ 1.2 = 2,500 and the recoverable VAT is 500. If a till slip only prints “VAT 500” and the rate is 20%, the net was 500 ÷ 0.2 = 2,500 and the gross 3,000.

Formulas

gross = net × (1 + r)        tax = net × r
net   = gross ÷ (1 + r)      tax = gross − net
net   = tax ÷ r              gross = net + tax        r = rate ÷ 100

The common mistake when working back from a gross price is to take the rate percent of the gross: 20% of 120 is 24, but 120 already contains the 20% added to 100, so dividing by 1.2 is the correct way to recover the net. Amounts are kept to six decimals internally and shown with two; rounding of individual invoice lines follows your country’s invoicing rules and may differ by a cent.

Where the preset rates come from

The chips are frequently used standard and reduced rates: 5% (UK and some reduced rates), 7% (Germany’s reduced rate), 10% (Australia GST, Japan), 19% (Germany), 20% (UK, France, Austria), 21% (Spain, Netherlands, Belgium), 23% (Ireland, Poland, Portugal), 25% (Sweden, Denmark, Norway, Croatia) and 27% (Hungary, the highest standard rate in the EU). US sales tax rates vary by state and city – type the combined rate for your location.

Sources: European Commission – VAT rates applied in the EU Member States, OECD – Consumption Tax Trends (VAT/GST rates).

Which rate applies to a product, whether a price must include tax, and how to round are legal questions that depend on your country – check the official rate tables before invoicing.

VAT, GST and sales tax

VAT (Europe, UK) and GST (Australia, Canada, India, New Zealand, Singapore) are both charged as a percentage on top of the net price and shown separately on invoices, so the same arithmetic applies to both. US sales tax is also added to the shelf price at the till, but the rate is a sum of state and local components – enter the combined rate.

Questions

How do I remove VAT from a price?
Divide the gross price by 1 plus the rate as a decimal. At 20% divide by 1.2: 120 ÷ 1.2 = 100. Select “Gross” in the calculator and it does this for you.
How much of the price is VAT at 20%?
One sixth of the gross price (16.67%), because 20 ÷ 120 = 0.1667. The calculator shows this share under the VAT amount for any rate.
Can I use a rate that is not in the chips?
Yes – type any rate with decimals, for example 8.875 for New York City sales tax or 13 for Ontario HST.
Does the tool know which rate applies to my product?
No. It calculates at the rate you enter. Reduced, zero and exempt categories differ from country to country; use the official rate tables linked above.