GST / VAT Calculator
Add or remove sales tax from any amount.
Enter values
$
%
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The formula
tax = amount × rate/100 (or extracted from a tax-inclusive total)
All calculations run locally in your browser and update instantly as you type.
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Frequently asked questions
How do I remove tax from a total?+
Divide the tax-inclusive total by (1 + rate/100). The remainder is the tax portion.
All calculations run locally in your browser. Nothing you type is sent to a server.