Correspondence between Font numbers and pixels

The English font is equivalent to 1/72 inch, which is about 1/2. 8mm.
12 pt words are printed at about 4.2mm. 12 PX is equivalent to 12 pixels.
Although 4th = (14/72) * 96 = 18.6px is closer to 19px, because 18px is a dot matrix, the system displays the dot matrix size first.
In other words: 4 = 18px
Ing between Chinese font size and English font size (lbs) and pixel value:
8 = 5 lbs (5pt) = (5/72) * 96 = 6.67 = 6px
7 = 5.5 lbs = (5.5/72) * 96 = 7.3 = 7px
John = 6.5 lbs = (6.5/72) * 96 = 8.67 = 8px
6 = 7.5 lbs = (7.5/72) * 96 = 10px
5th = 9 lbs = (9/72) * 96 = 12px
5 = 10.5 lbs = (10.5/72) * 96 = 14px
Small 4 = 12 lbs = (12/72) * 96 = 16px
4th = 14 lbs = (14/72) * 96 = 18.67 = 18px
Small 3 = 15 lB = (15/72) * 96 = 20px
3rd = 16 lbs = (16/72) * 96 = 21.3 = 21px
Xiao 'er = 18 lB = (18/72) * 96 = 24px
2 = 22 lbs = (22/72) * 96 = 29.3 = 29px
Xiao Yi = 24 lbs = (24/72) * 96 = 32px
1 = 26 lbs = (26/72) * 96 = 34.67 = 34px
Small Initial = 36 lbs = (36/72) * 96 = 48px
Initial account = 42 lbs = (42/72) * 96 = 56px
Initial account = 42 lbs = 14.82mm
Xiaochu = 36 lbs = 12.70mm
1 = 26 lbs = 9.17mm
Xiaoyi = 24 lbs = 8.47mm
2 = 22 lbs = 7.76mm
Xiao 'er = 18 lbs = 6.35mm
3rd = 16 lbs = 5.64mm
Small 3 = 15 lbs = 5.29mm
4th = 14 lbs = 4.94mm
4th = 12 lB = 4.23mm
5 = 10.5 lbs = 3.70mm
5th = 9 lbs = 3.18mm
6 = 7.5 lbs = 2.56mm
6th = 6.5 lB = 2.29mm
7 = 5.5 lbs = 1.94mm
8 = 5 lbs = 1.76mm

Font size openxml size pixel size
Initial account 84 56
Chuchu 72 48
No. 1 52 34
Xiaoyi 48 32
2nd 44 29
Xiao'er 36 24
3rd 32 21
John 30 20
4th 28 18
4th 24 16
5th 21 14
5th 18 12
6th 15 10
John 13 8
7x11 7
October 10 6