
增值税计算器
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VAT rates differ by country and by goods category — enter the rate that applies to your transaction. This tool is for estimation and invoicing arithmetic; consult a tax professional for filing and compliance questions.
常见问题
- What is VAT?
- Value-added tax (VAT) is a consumption tax charged as a percentage of a product's price at each stage of the supply chain. The consumer ultimately pays it: a 20% VAT on a €100 item adds €20, making the shelf price €120. In some countries the equivalent tax is called GST (goods and services tax) or sales tax.
- How do I add VAT to a net price?
- Multiply the net price by (1 + rate ÷ 100). At a 20% rate, a net price of 100 becomes 100 × 1.20 = 120 gross. The VAT amount is the difference: 20.
- How do I remove VAT from a gross price?
- Divide the gross price by (1 + rate ÷ 100) — do not subtract the percentage. A gross of 120 at 20% is 120 ÷ 1.20 = 100 net, with 20 of VAT. Subtracting 20% directly (120 × 0.80 = 96) is the classic mistake and understates the net price.
- What VAT rate should I enter?
- The standard rate of the country where the sale is taxed — for example 19% in Germany, 20% in France and the UK, 21% in Spain, 22% in Italy, 23% in Portugal. Many countries also apply reduced rates to food, books, medicine, and transport, so check the rate for your specific goods category.
- Is VAT the same as sales tax?
- They differ in mechanics but the arithmetic here is identical. VAT is collected at every stage of production with credits for tax already paid; a US-style sales tax is charged once, at the final sale. For calculating the tax on a single price, both use the same add/remove percentage formulas.
- What is the difference between net and gross price?
- The net price excludes tax — it is what the seller keeps. The gross price includes tax — it is what the customer pays. Gross = net + VAT amount.
