INTERACTIVE TOOL
VAT and sales tax calculator
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How to use this tool
- Choose adding tax or extracting included tax.
- Enter the amount and applicable rate.
- Keep net amount, tax and total separate.
Formula or method usedTotal = net × (1 + rate/100). Net = total ÷ (1 + rate/100).
Worked example
At an illustrative eighteen percent rate, a net amount of 100 totals 118. Extracting included tax from 118 returns 100 net.
Assumptions and limits
You supply the rate. The tool does not determine applicable taxes or exemptions.
Frequently asked questions
Can it be used in any country?+
Yes, as a mathematical calculation. Enter the official rate that applies to your situation.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
You supply the rate. The tool does not determine applicable taxes or exemptions.