Les valeurs sont approximatives, car elles dépendent du type de polices utilisé, du navigateur et du système d’exploitation.

Pixels Points Pourcentage Ems
8px 6pt 50% 0.5em
9px 6.8pt 56.3% 0.56em
10px 7.5pt 62.5% 0.63em
11px 8.3pt 68.8% 0.69em
12px 9pt 75% 0.75em
13px 9.8pt 81.3% 0.81em
14px 10.5pt 87.5% 0.88em
15px 11.3pt 93.8% 0.94em
16px 12pt 100% 1em
17px 12.8pt 106.3% 1.06em
18px 13.5pt 112.5% 1.13em
19px 14.3pt 118.8% 1.19em
20px 15pt 125% 1.25em
21px 15.8pt 131.3% 1.31em
22px 16.5pt 137.5% 1.38em
23px 17.3pt 143.8% 1.44em
24px 18pt 150% 1.5em
25px 18.8pt 156.3% 1.56em
26px 19.5pt 162.5% 1.63em
27px 20.3pt 168.8% 1.69em
28px 21pt 175% 1.75em
29px 21.8pt 181.3% 1.81em
30px 22.5pt 187.5% 1.88em
31px 23.3pt 193.8% 1.94em
32px 24pt 200% 2em
33px 24.8pt 206.3% 2.06em
34px 25.5pt 212.5% 2.13em
35px 26.3pt 218.8% 2.19em
36px 27pt 225% 2.25em
37px 27.8pt 231.3% 2.31em
38px 28.5pt 237.5% 2.38em
39px 29.3pt 243.8% 2.44em
40px 30pt 250% 2.5em
41px 30.8pt 256.3% 2.56em
42px 31.5pt 262.5% 2.63em
43px 32.3pt 268.8% 2.69em
44px 33pt 275% 2.75em
45px 33.8pt 281.3% 2.81em
46px 34.5pt 287.5% 2.88em
47px 35.3pt 293.8% 2.94em
48px 36pt 300% 3em