VAT計算機
任意の価格にVATを加算・除算。各国のカスタム税率にも対応。
100% client-side · no upload
Price ex-VAT $100.00
VAT amount $20.00
Price inc-VAT $120.00
How to use the VAT calculator
- Enter the price you have (net or gross).
- Select the VAT rate — use a preset or enter a custom percentage.
- Choose whether your amount already includes VAT or excludes it.
Common use cases
- Invoice creation: Add 20% UK VAT or 19% German MwSt to a net price for billing.
- Receipt checking: Verify the VAT element on a gross price from a supplier.
- E-commerce pricing: Set consumer-facing (inc-VAT) prices from wholesale (ex-VAT) costs.
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よくある質問
- Is this VAT calculator free?
- Yes, completely free. No signup required.
- Does my data leave my device?
- No. All calculations happen locally in your browser.
- Does it work on mobile?
- Yes. The VAT calculator is mobile-first and works on any modern smartphone browser.
Last updated: By jarvisbox