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VAT Calculator

Computes VAT-inclusive and VAT-exclusive amounts from a single rate you enter, with presets for common UK, EU, India, UAE, and Swiss rates. Figures never leave your device — every calculation runs locally in your browser.

100% Local Browser Native

How to Use the VAT Calculator

1. Fill the inputs

Enter net amount and VAT rate.

2. Read the gross total

Check the gross total with tax split.

3. Compare scenarios

Test an edge value (zero, maximum) to sanity-check the math before trusting mid-range answers.

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Frequently Asked Questions

How do I add or remove VAT?

Add: net × (1 + rate). Strip: gross ÷ (1 + rate). Example at 20%: €100 net → €120 gross; €120 gross → €100 net. Never subtract 20% from gross (€96 — wrong).

Which rate applies?

Pick a preset (UK 20%, EU 19%, India GST 18%/12%, UAE 5%, Switzerland 8.1%) or type any rate — the tool applies one flat rate with no country, reduced-rate, or digital-services (MOSS) logic. Confirm the correct legal rate yourself.

What is reverse charge?

B2B cross-border sales within the EU shift VAT accounting to the buyer (0% charged, buyer self-assesses). The tool does not model reverse charge — run exempt sales at a 0% rate and keep both VAT numbers on file.

How do I verify a VAT number?

Use the EU VIES database for real-time validation. Invalid numbers mean you must charge your local rate — the calculator only computes, it cannot verify numbers.

When using VAT Calculator, is my data stored?

No. All calculations run locally in your browser. No figures leave your device.

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Last updated October 2026