GST / VAT Calculator
Calculate GST or VAT instantly by adding tax to net prices or reverse-calculating base price and tax amount from inclusive totals with custom rates offline.
USD
net
%
Tax amount
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Net price
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Total
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About the author
Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .
Frequently asked questions
Add tax (exclusive) or work backwards from a tax-inclusive total.
It formats as your browser's default currency.
No, for informational purposes only. Consult a qualified professional.
How to use GST / VAT Calculator
- Enter amount & rate: Add the amount and tax percent.
- Pick mode: Choose exclusive or inclusive.
- Read result: See tax, net and total.