Conversion of PX pixel units to iOS pixel units

This article reprinted to http://blog.csdn.net/fanyuna/article/details/24032663

30px turns into points = 22 points = Second points = (pixels/96) *72    = (30/96) *72    = 22.5 lbs Chinese font size vs English font size (lbs) vs Pixel value correspondence: Eighth = 5 lb (5pt) = = (5/72) *96=6.67 =6px (pixel) Number seventh = 5.5 lb = = (5.5/72) *96=7.3 =7px (pixels) Small six = 6.5 lb = = (6.5/72) *96=8.67 =8px (pixels) Sixth = 7.5 lb = = (7.5/72) *96=10px (pixels) Small Five = 9 lb = = (9/72 ) *96=12px (pixel) Fifth # = 10.5 lb = = (10.5/72) *96=14px (pixels) Small four = 12 lb = = (12/72) *96=16px (pixels) Fourth = 14 lb = = (14/72) *96=18.67 =18px (pixels) Small three = 15 lb = = (15/72) *96=20px (pixels) Third # = 16 lb = = (16/72) *96=21.3 =21px (pixels) Small two = 18 lb = = (18/72) *96=24px (pixels) Second = 22 lb = = (22/72) *96=29.3 =29px ( pixels) Small one = 24 lb = = (24/72) *96=32px (pixel) One = 26 lb = = (26/72) *96=34.67 =34px (pixels)

Conversion of PX pixel units to iOS pixel units