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Regarding menu icons on mobile devices, are there any official web accessibility standards for the minimum size/area of touch?

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Possible duplicate:… – Dominik Oslizlo Feb 14 '14 at 10:44
@DominikOslizlo isn't that question related to mouse pointer? – Dave Haigh Feb 14 '14 at 10:47
@DaveHaigh, you are correct, I misread the question - sorry for that. – Dominik Oslizlo Feb 14 '14 at 10:50
up vote 3 down vote accepted

Microsoft put together some UI guidelines for designing their Windows 8 store apps. These could apply to any touch based UI.

Take a look at the section Touch, Commanding, and Controls beginning on page 65

Windows 8 User Experience Guidelines:

Direct download:

In particular relating to minimum sizes for touch see page 74-75

People often blame themselves for having "fat fingers." But even baby fingers are wider than most touch targets. The image on the left shows that the width of the average adult finger is about 11 millimeters (mm) wide, while a baby's is 8 mm, and some basketball players have fingers wider than 19 mm!

enter image description here .

7x7 mm: Recommended minimum size 7x7 mm is a good minimum size if touching the wrong target can be corrected in one or two gestures or within five seconds. Padding between targets is just as important as target size.

When accuracy matters Close, delete, and other actions with severe consequences can’t afford accidental taps. Use 9x9 mm targets if touching the wrong target requires more than two gestures, five seconds, or a major context change to correct.

When it just doesn’t fit If you find yourself cramming things to fit, it’s okay to use 5x5 mm targets as long as touching the wrong target can be corrected with one gesture. Using 2 mm of padding between targets is extremely important in this case.

enter image description here

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Plus a nice article (a bit old, but still quite valid):… – Dominik Oslizlo Feb 14 '14 at 10:52
great article here called: Common Misconceptions About Touch… – Dave Haigh May 28 '15 at 11:53

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