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VAT / GST Calculator
Add or extract VAT and GST from any amount with a custom tax rate.
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About the VAT / GST Calculator
VAT and GST are consumption taxes added to goods and services. Sometimes you have a net (ex-tax) price and need gross; sometimes you have a tax-inclusive total and need to extract the tax portion.
Enter your amount and rate to see net, tax, and gross instantly — useful for freelancers, shops, and cross-border invoices.
How to use this calculator
- Choose add tax (net → gross) or extract tax (gross → net).
- Enter the amount and VAT/GST percentage.
- Read net, tax, and gross results.
Frequently asked questions
What rates should I use?
Use the rate that applies in your country or state (for example 5%, 12%, 18%, 20%). This tool does not give legal tax advice.
Is my data private?
Yes. All math runs in your browser; nothing is uploaded.