DataToolsLab
Finance & Business Tools

Sales Tax / VAT Calculator

Calculate sales tax or VAT on any amount with customizable tax rates.

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What is Sales Tax?

Sales tax (US) and VAT (EU/international) are consumption taxes. This calculator handles both add-on (sales tax) and inclusive (VAT) modes.

How it works

Add-on mode: total = amount x (1 + rate). Inclusive mode: pre-tax = amount / (1 + rate), tax = amount - pre-tax.

  1. Enter your input. Type or paste your input into the field above — the tool responds instantly.
  2. Review the result. Output updates live as you type. Everything runs entirely in your browser.
  3. Copy or download. Use the Copy button to grab the result, or Download to save it as a file.

Examples

Realistic sample

Type or paste any realistic input — the tool computes the result locally and instantly.

Common mistakes

Expecting a server round-trip

Nothing is uploaded — every tool in this category runs entirely in your browser.

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