VAT Calculator
Adding tax is a multiplication; removing it is a division, and that is where most mistakes happen. Both directions are here, each on its own tab.
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How to use
Good to know
Removing tax is not subtracting the same percentage
If a price includes 20% VAT, the net amount is not «price minus 20%». The tax was added to the smaller number, so you divide: 1200 ÷ 1.2 = 1000, while subtracting 20% would give 960 — a 40-unit error on every invoice.
Rates change, arithmetic does not
The standard rate is 20% in the UK and France, 19% in Germany, 21% in Spain and the Netherlands, 22% in Italy, 23% in Poland. Reduced rates for food, books and medicine differ by country, so take the rate from the invoice rather than from memory.
Frequently asked questions
How do I add VAT to a price?
Enter the net amount and the rate on this tab: the result is the price with tax.
How do I calculate the price without VAT?
Use «Find the original number»: the gross amount first, then 100 plus the rate as the percentage. For 20% that is 120.
How do I get the tax amount alone?
Subtract the net from the gross, or take the percentage of the net directly on the «% of a number» tab.
Are my figures sent anywhere?
No. Everything is calculated in your browser, so invoices and salaries stay on your device.
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