About the VAT Calculator
Add or remove VAT (value-added tax) at any rate — net, VAT amount and gross price in one step.
Also known as: vat calculator, add vat, remove vat, reverse vat, gst inclusive, value added tax.
How to use this calculator
- Enter amount, vat rate, operation.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Gross = net × (1 + VAT) · Net = gross ÷ (1 + VAT)
Worked example
Using the values pre-filled in the calculator above:
- Amount = 250
- VAT rate = 20 %
- Operation: Add VAT (amount is net)
the calculator returns:
- Gross amount: 300
- VAT: 50
- Net: 250
- Gross: 300