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Calculate Tax for Business Invoices

Add the correct sales tax / VAT / GST to invoices going out to customers.

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Common tax rates

Pre-tax

$100.00

Tax (8.875%)

$8.88

Total

$108.88

💡 Rates shown are typical standard rates. Many regions have reduced rates for groceries, books, etc. Verify your local rate with official sources — this tool does the math, not the lookup.

Invoicing tips

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For B2C invoices, you typically include tax in the displayed price. Use "Add tax" mode.

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For B2B invoices in EU, VAT may be reverse-charged (recipient handles it). Check your accountant's setup.

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For multi-region commerce, save the correct rate for each jurisdiction in your invoicing system, not memory.

使い方

1
入力
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2
処理
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3
ダウンロード
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

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