Use the snippet from Standard HTML Embed.

Webflow

Drag an Embed element onto the canvas and paste both lines. The Designer canvas shows a placeholder, not the live widget — that is expected. Publish to see it render.

Squarespace

Add a Code Block and paste both lines. Leave Display Source Code unchecked. Code Blocks require a Business plan or higher; Personal plans cannot run custom code.

Wix

Use Embed → Embed a Widget (not “Embed a Site”), then paste both lines into the HTML box. Wix renders custom code inside a sandboxed iframe with a fixed height, so set the container generously tall — roughly 700px — or the calculator will be clipped. Wix also requires a premium plan for custom code.

Framer, Ghost, Shopify

All three accept the snippet in their respective custom-code or raw-HTML blocks with no special handling.

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