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GST Calculator

Calculate GST and the total price including tax. Free to use, with no account required.

Calculate your result

Enter your values below. Your inputs stay in this browser.

How it is calculatedGST amount = price before tax × GST rate ÷ 100. Total = price before tax + GST amount.

How to use this calculator

  1. Enter the requested numbers, dates or times in the fields above.
  2. Select Calculate to see your result and the calculation details.
  3. Change an input to start a new calculation, or select Reset to clear the fields.

Your inputs are processed in this browser and are not sent to QuickQR.

Frequently asked questions

How does the gst calculator work?

Calculate GST and the total price including tax.

Are my calculation inputs sent to a server?

No. The calculation runs in your browser. QuickQR does not receive or store the values you enter.

Can I use the gst calculator on my phone?

Yes. This calculator is designed for desktop, tablet and mobile browsers.