About the VAT / GST Calculator
Add tax to a net price or extract the tax already inside a gross price, at any rate — with presets for common VAT/GST rates worldwide. Shows net, tax and gross clearly for invoices and receipts.
The reverse (extraction) mode answers the frequent question: "how much of this price is tax?"
How to use the VAT / GST Calculator
- Choose mode: add tax to net, or extract tax from gross.
- Enter the amount and tax rate (or pick a preset).
- Read net, tax amount and gross.
Common uses
Preparing invoices with correct tax
Checking receipts and expense claims
Cross-border pricing
Frequently asked questions
How do I extract VAT from a gross price?
Divide gross by (1 + rate/100): a $120 price at 20% VAT contains $20 tax — not $24. The tool applies this correctly.
What rates are common?
EU VAT is typically 17–27%; UK 20%; Australia GST 10%; India GST 5–28% by category.
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