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GST / VAT / Tax Calculator

Add tax to a net amount or extract the tax from a gross amount at any rate — works for GST, VAT and any sales tax. Shows net, tax and total.

Net amount
Tax rate (%)
—
Total (incl. tax)

Works for GST, VAT, or any sales tax.

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About GST / VAT / Tax Calculator

Add tax to a net amount or extract the tax from a gross amount at any rate — works for GST, VAT and any sales tax. Shows net, tax and total. It's a free business tool from ChatGBT that runs right in your browser — no signup, no install, and no cost.

How to use GST / VAT / Tax Calculator

  1. Enter your details in the fields above.
  2. Click Generate to run GST / VAT / Tax Calculator.
  3. Copy or refine the result — run it as many times as you like.

Is GST / VAT / Tax Calculator free?

Yes — GST / VAT / Tax Calculator is completely free to use with no account required. Explore ChatGBT's full AI tools directory for more business and productivity tools.