# Nits
> Nits measure screen brightness, especially how visible a display can be outdoors.
Topics: Smartphones, Entertainment
Difficulty: Everyday
Aliases: brightness, peak brightness
Updated: 2026-06-26T08:00:00.000Z
## Go deeper
Nits measure screen brightness, especially how visible a display can be outdoors. In everyday buying decisions, the useful question is not just what the spec says, but what it changes for comfort, cost, speed, safety, or battery life.