It adds GST/VAT to a tax-exclusive base amount.
GST / VAT Calculator
Add or remove GST/VAT from amounts with clear net, tax, and gross breakdowns.
About this tool
GST / VAT Calculator helps you add or remove gst/vat from amounts with clear net, tax, and gross breakdowns. It runs directly in your browser for speed and privacy with no sign-up required. Use the steps below to get results quickly, then copy or download the output and continue with related tools when needed. Try next: Discount Calculator • Tip Calculator.
How to use
- Enter amount and applicable tax rate.
- Choose Add tax or Remove tax mode.
- Click Calculate to get net, tax, and gross amounts.
- Switch modes to compare inclusive vs exclusive values.
- Copy the result for invoicing workflows.
Related tools
Try next: Discount Calculator • Tip Calculator • Simple Interest Calculator.
Frequently asked questions
It extracts base amount and tax from a tax-inclusive value.
Yes, zero rate returns no tax adjustment.
No, this is a generic percent-based GST/VAT calculator.