UX Laws Reference: Fitts's Law
Psychology & UX Laws · ux laws
Updated 2026-07-28
- The time required to reach a target depends on distance and size.
- Make important targets:
- Larger.
- Easier to reach.
- Closer to where users are already interacting.
- Apply this to:
- Buttons.
- Mobile navigation.
- Toolbars.
- Floating actions.
- Reduce movement:
- Place actions near the object they affect.
- Keep common actions close.
- A good interface minimizes physical effort between intention and action.
Related guides
UX Handbook