The rule that the time to click or tap a target depends on how big it is and how far away it is. Bigger, closer buttons are faster and easier to hit, which is why key actions are made large and reachable.
Synonyms
- fitts law
Related terms
In plain words
- bigger and closer buttons are easier to click
- why important buttons are large
Usage example
By Fitts's Law, the designer enlarged the mobile buy button and pinned it within thumb reach.
Don't confuse with…
- touch targetFitts's Law is the underlying principle; a touch target is the practical minimum tappable size that follows from it.
Categories
- Usability principles