How to insert <sup> tag into simple_form label?

Question

How to insert <sup>2</sup> into simple_form label so that the end result for the label would be: Meters (m²)

<%= f.input :meters, label: "Meters", placeholder: "Meters" %>

Answer 1

Looks like a simple .html_safe should do it.

<%= f.input :meters, label: "Meters (m<sup>2</sup>)".html_safe, placeholder: "Meters (m<sup>2</sup>)".html_safe %>