Embed the GST calculator on your site

Add our free GST calculator to your website. Copy the embed code below and paste it into your HTML. The calculator is free to use — no API key or sign-up required.

Preview

Embed code

<iframe
  src="https://gstcalc.au/widget"
  width="100%"
  height="460"
  style="border:none;border-radius:16px;"
  title="GST Calculator"
  loading="lazy"
></iframe>

For dark mode, use src="https://gstcalc.au/widget?theme=dark"