Pixel to Point conversion (Pt)

Points  Pixels  Ems   Percent

6pt  8px  0.5em  50%

7pt  9px  0.55em  55%

7.5pt  10px  0.625em 62.5%

8pt  11px  0.7em  70%

9pt  12px  0.75em  75%

10pt  13px  0.8em  80%

10.5pt  14px  0.875em 87.5%

11pt  15px  0.95em  95%

12pt  16px  1em  100%

13pt  17px  1.05em  105%

13.5pt  18px  1.125em 112.5%

14pt  19px  1.2em  120%

14.5pt  20px  1.25em  125%

15pt  21px  1.3em  130%

16pt  22px  1.4em  140%

17pt  23px  1.45em  145%

18pt  24px  1.5em  150%

20pt  26px  1.6em  160%

22pt  29px  1.8em  180%

24pt  32px  2em  200%

26pt  35px  2.2em  220%

27pt  36px  2.25em  225%

28pt  37px  2.3em  230%

29pt  38px  2.35em  235%

30pt  40px  2.45em  245%

32pt  42px  2.55em  255%

34pt  45px  2.75em  275%

36pt  48px  3em  300%