Touch

Indicate tappable area on mobile

Indicate tappable area on mobile
  1. What is the minimum tappable area for an interactive control recommended?
  2. What is the typical touch size of the thumb?
  3. What are touch targets?
  4. How big should buttons be on mobile?

What is the minimum tappable area for an interactive control recommended?

Consider making touch targets at least 48x48dp, separated by 8dp of space or more, to ensure balanced information density and usability. A touch target of 48x48dp results in a physical size of about 9mm, regardless of screen size. The recommended target size for touchscreen objects is 7-10mm.

What is the typical touch size of the thumb?

A past study from the MIT Touch Lab found that the average person's fingertips are 1.6– 2cm (0.6–0.8 in) wide. The impact area of the typical thumb is even larger — an average of 2.5cm (1 inch) wide!

What are touch targets?

Touch targets are the parts of the screen that respond to user input. They extend beyond the visual bounds of an element. For example, a button may appear to be 48 x 36 px, but the padding surrounding it comprises the full 48 x 48 px touch target.

How big should buttons be on mobile?

Studies by the MIT Touch Lab suggest that 10mm × 10mm is the best minimum size for buttons on mobile due to the average size of fingertips.

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