VAT Calculator

How to Add VAT to a Price

Multiply the net (pre-VAT) price by (1 plus the VAT rate) to get the gross price a customer actually pays.

$$\text{Gross Price} = \text{Net Price} \times (1 + r)$$

For a 100-dollar net price at a 20% VAT rate: 100 × 1.20 = 120 dollars gross, with 20 dollars being the VAT portion.

How to Remove VAT from a Price — The Mistake Most People Make

Given a gross price that already includes VAT, the correct way to find the net price is to divide by (1 plus the rate), not to subtract the percentage directly.

$$\text{Net Price} = \frac{\text{Gross Price}}{1 + r}$$

This is the single most common VAT mistake: taking a 120-dollar gross price at 20% VAT and simply computing 120 minus 20% of 120 (24 dollars), landing on 96 dollars — which is wrong. The correct net price is 120 ÷ 1.20 = 100 dollars, with the VAT portion being the 20-dollar difference. The error happens because the 20% was originally calculated as a percentage of the smaller net price, not the larger gross price — subtracting 20% of the gross price removes more than was actually added, understating the true net price by a meaningful margin.

VAT Rates Vary Enormously by Country

There is no universal VAT rate — it's set independently by each country's tax authority, and many countries also apply one or more reduced rates to specific categories (food, books, children's clothing, and medical supplies are common examples of goods taxed at a lower rate than the standard one). The UK's standard rate is around 20%, and other EU countries set their own standard rates that differ from it, sometimes by several percentage points in either direction. Always confirm the rate that actually applies to your country and product category rather than assuming a single figure applies everywhere.

A Brief History of VAT

Value-added tax was conceived by French economist Maurice Lauré and first implemented in France in 1954, replacing an earlier, less efficient turnover tax. The core innovation was collecting tax incrementally at each stage of production and distribution — with businesses able to reclaim the VAT they paid on their own inputs — so that only the value actually added at each stage ends up taxed, rather than the same value being taxed repeatedly as a product moves through a supply chain. The model proved effective enough that it spread across the European Economic Community through the 1960s and 1970s and is now used by well over one hundred and fifty countries worldwide, though notably not by the United States, which relies on state-level sales tax instead.

Common VAT Mistakes

Subtracting the VAT percentage from a gross price instead of dividing, as covered above, is by far the most frequent error — it understates the true net price every time. Assuming a single VAT rate applies to an entire receipt is another common mix-up, since many countries mix standard-rated and reduced-rated or zero-rated items on the same purchase. Confusing VAT with sales tax and assuming the two work identically is also common, particularly for anyone used to a US-style single-stage retail sales tax rather than VAT's multi-stage collection system.

VAT Terms You Should Know

Net Price — the price before VAT is added, sometimes called the VAT-exclusive price.

Gross Price — the final price a customer pays, including VAT, sometimes called the VAT-inclusive price.

Standard Rate — the default VAT rate a country applies to most goods and services.

Reduced Rate — a lower VAT rate a country applies to specific categories, such as food, books, or medical items.

Zero-Rated — technically still subject to VAT law but taxed at 0%, distinct from being fully exempt, since a zero-rated business can typically still reclaim VAT on its own purchases.

Rates shown or referenced here are for general educational purposes only and are not tax advice. VAT rates and category rules vary by country and change periodically — verify your applicable rate with your country's tax authority before relying on it for a real transaction, invoice, or filing.