Yep! Type Foundry has a useful two-part check for choosing a UI typeface. It gets past whether the typeface looks like a clean sans-serif and tests whether labels will sit properly inside controls:
TL;DR, two things make a UI font easy to work with:
- Cap-centered vertical metrics—the space above the cap height equals the space below the baseline. Result: labels center optically on buttons and align with icons, and you can use a single padding token instead of hand-tuned CSS.
- Tall x-height—lowercase letters reach 70–75% of cap height. Result: the word nearly fills its box, so it looks evenly centered.
