ブラウザ毎のデフォルトフォントサイズとパーセント表記での指定値一覧
ブラウザ毎のデフォルトのフォントサイズと、パーセントでサイズ指定するための一覧をメモっておきます。
Windows
| ブラウザ | プロポーショナル （Proportional） |
等幅 （Monospace） |
|---|---|---|
| Internet Explorer 8.0 | 16px | 16px |
| Internet Explorer 7.0 | 16px | 16px |
| Internet Explorer 6.0 | 16px | 16px |
| Internet Explorer 4.0 | 16px | - |
| Firefox 3.0 | 16px | 16px |
| Firefox 2.0 | 16px | 16px |
| Firefox 1.0 | 16px | 16px |
| Opera 9.0 | 16px | 16px |
| Opera 9.0 | 16px | - |
| Safari 3.0 | 16px | 13px |
| Netscape 7 | 16px | 16px |
Macintosh
| ブラウザ | プロポーショナル （Proportional） |
等幅 （Monospace） |
|---|---|---|
| Safari 1.2.4 | 16px | 13px |
| Firefox 3.0 | 16px | 16px |
| Firefox 2.0 | 14px | 14px |
| Firefox 1.0 | 14px | 14px |
| Opera 9.0 | 16px | 16px |
| Opera 8.0 | 16px | 16px |
| Netscape 7 | 14px | 14px |
| Internet Explorer 5.2 | 16px | 16px |
パーセント表記での指定値
| フォントサイズ（px） | パーセント指定値（%） | 表示サイズ（px） |
|---|---|---|
| 12px | 84% | 10px |
| 12px | 92% | 11px |
| 12px | 100% | 12px |
| 12px | 109% | 13px |
| 12px | 117% | 14px |
| 12px | 125% | 15px |
| 12px | 134% | 16px |
| 12px | 142% | 17px |
| 12px | 150% | 18px |
| 12px | 159% | 19px |
| 12px | 167% | 20px |
| 12px | 175% | 21px |
| 12px | 184% | 22px |
| 12px | 192% | 23px |
| 12px | 200% | 24px |
| 12px | 209% | 25px |
| 12px | 217% | 26px |
| 13px | 77% | 10px |
| 13px | 85% | 11px |
| 13px | 93% | 12px |
| 13px | 100% | 13px |
| 13px | 108% | 14px |
| 13px | 116% | 15px |
| 13px | 124% | 16px |
| 13px | 131% | 17px |
| 13px | 139% | 18px |
| 13px | 147% | 19px |
| 13px | 154% | 20px |
| 13px | 162% | 21px |
| 13px | 170% | 22px |
| 13px | 177% | 23px |
| 13px | 185% | 24px |
| 13px | 193% | 25px |
| 13px | 200% | 26px |
| 14px | 72% | 10px |
| 14px | 79% | 11px |
| 14px | 86% | 12px |
| 14px | 93% | 13px |
| 14px | 100% | 14px |
| 14px | 108% | 15px |
| 14px | 115% | 16px |
| 14px | 122% | 17px |
| 14px | 129% | 18px |
| 14px | 136% | 19px |
| 14px | 143% | 20px |
| 14px | 150% | 21px |
| 14px | 158% | 22px |
| 14px | 165% | 23px |
| 14px | 172% | 24px |
| 14px | 179% | 25px |
| 14px | 186% | 26px |
| 15px | 67% | 10px |
| 15px | 74% | 11px |
| 15px | 80% | 12px |
| 15px | 87% | 13px |
| 15px | 94% | 14px |
| 15px | 100% | 15px |
| 15px | 107% | 16px |
| 15px | 114% | 17px |
| 15px | 120% | 18px |
| 15px | 127% | 19px |
| 15px | 134% | 20px |
| 15px | 140% | 21px |
| 15px | 147% | 22px |
| 15px | 154% | 23px |
| 15px | 160% | 24px |
| 15px | 167% | 25px |
| 15px | 174% | 26px |
| 16px | 63% | 10px |
| 16px | 69% | 11px |
| 16px | 75% | 12px |
| 16px | 82% | 13px |
| 16px | 88% | 14px |
| 16px | 94% | 15px |
| 16px | 100% | 16px |
| 16px | 107% | 17px |
| 16px | 113% | 18px |
| 16px | 119% | 19px |
| 16px | 125% | 20px |
| 16px | 132% | 21px |
| 16px | 138% | 22px |
| 16px | 144% | 23px |
| 16px | 150% | 24px |
| 16px | 157% | 25px |
| 16px | 163% | 26px |
以下はreset.cssの片隅にでもメモっておく用です。あまり使わないかも知れないけど。
/* font-size
-------------------------------------------------- *//*
12px * 84% -> 10px
12px * 92% -> 11px
12px * 100% -> 12px
12px * 109% -> 13px
12px * 117% -> 14px
12px * 125% -> 15px
12px * 134% -> 16px
12px * 142% -> 17px
12px * 150% -> 18px
12px * 159% -> 19px
12px * 167% -> 20px
12px * 175% -> 21px
12px * 184% -> 22px
12px * 192% -> 23px
12px * 200% -> 24px
12px * 209% -> 25px
12px * 217% -> 26px
13px * 77% -> 10px
13px * 85% -> 11px
13px * 93% -> 12px
13px * 100% -> 13px
13px * 108% -> 14px
13px * 116% -> 15px
13px * 124% -> 16px
13px * 131% -> 17px
13px * 139% -> 18px
13px * 147% -> 19px
13px * 154% -> 20px
13px * 162% -> 21px
13px * 170% -> 22px
13px * 177% -> 23px
13px * 185% -> 24px
13px * 193% -> 25px
13px * 200% -> 26px
14px * 72% -> 10px
14px * 79% -> 11px
14px * 86% -> 12px
14px * 93% -> 13px
14px * 100% -> 14px
14px * 108% -> 15px
14px * 115% -> 16px
14px * 122% -> 17px
14px * 129% -> 18px
14px * 136% -> 19px
14px * 143% -> 20px
14px * 150% -> 21px
14px * 158% -> 22px
14px * 165% -> 23px
14px * 172% -> 24px
14px * 179% -> 25px
14px * 186% -> 26px
15px * 67% -> 10px
15px * 74% -> 11px
15px * 80% -> 12px
15px * 87% -> 13px
15px * 94% -> 14px
15px * 100% -> 15px
15px * 107% -> 16px
15px * 114% -> 17px
15px * 120% -> 18px
15px * 127% -> 19px
15px * 134% -> 20px
15px * 140% -> 21px
15px * 147% -> 22px
15px * 154% -> 23px
15px * 160% -> 24px
15px * 167% -> 25px
15px * 174% -> 26px
16px * 63% -> 10px
16px * 69% -> 11px
16px * 75% -> 12px
16px * 82% -> 13px
16px * 88% -> 14px
16px * 94% -> 15px
16px * 100% -> 16px
16px * 107% -> 17px
16px * 113% -> 18px
16px * 119% -> 19px
16px * 125% -> 20px
16px * 132% -> 21px
16px * 138% -> 22px
16px * 144% -> 23px
16px * 150% -> 24px
16px * 157% -> 25px
16px * 163% -> 26px
-------------------------------------------------- */
参考サイト
ブラウザ別デフォルトフォントサイズ一覧表｜web bibo 各ウェブブラウザのデフォルトフォントサイズのまとめ | Bowz::Notebook font-sizeのパーセント表記一覧 - Webtech Walker
