Add a free, fully functional mortgage calculator to your website or blog with a single line of HTML. No API key, no registration, no limits.
One line of HTML is all you need.
Works in WordPress, Squarespace, Wix, Ghost, or any HTML editor.
The calculator loads instantly. All calculations happen in the visitor's browser — no data is sent to any server.
Use the URL for your audience's language. The widget automatically formats numbers and labels in the selected language.