21英吋等於多少台寸？英吋（符號為：in）和台寸（符號為：寸）是長度單位，它們之間的換算關係是：1英吋等於0.8382台寸。要將21英吋轉換為台寸，我們可以透過英吋與台寸換算比率來計算：
21 英吋 = 21 * 0.8382 台寸 = 17.6022 台寸
因此，21英吋換算成台寸的答案是21英吋等於17.6022台寸。
了解更多：21台寸等於多少英吋? | 1英吋等於幾台寸? | 1台寸等於幾英吋?
| 英吋 (in) | 台寸 (寸) |
|---|---|
| 21.1 in | 17.686 寸 |
| 21.2 in | 17.7698 寸 |
| 21.3 in | 17.8537 寸 |
| 21.4 in | 17.9375 寸 |
| 21.5 in | 18.0213 寸 |
| 21.6 in | 18.1051 寸 |
| 21.7 in | 18.1889 寸 |
| 21.8 in | 18.2728 寸 |
| 21.9 in | 18.3566 寸 |
| 22 in | 18.4404 寸 |
| 22.1 in | 18.5242 寸 |
| 22.2 in | 18.608 寸 |
| 22.3 in | 18.6919 寸 |
| 22.4 in | 18.7757 寸 |
| 22.5 in | 18.8595 寸 |
| 22.6 in | 18.9433 寸 |
| 22.7 in | 19.0271 寸 |
| 22.8 in | 19.111 寸 |
| 22.9 in | 19.1948 寸 |
| 23 in | 19.2786 寸 |
| 23.1 in | 19.3624 寸 |
| 23.2 in | 19.4462 寸 |
| 23.3 in | 19.5301 寸 |
| 23.4 in | 19.6139 寸 |
| 23.5 in | 19.6977 寸 |
| 23.6 in | 19.7815 寸 |
| 23.7 in | 19.8653 寸 |
| 23.8 in | 19.9492 寸 |
| 23.9 in | 20.033 寸 |
| 24 in | 20.1168 寸 |
| 英吋 (in) | 台寸 (寸) |
|---|---|
| 24.1 in | 20.2006 寸 |
| 24.2 in | 20.2844 寸 |
| 24.3 in | 20.3683 寸 |
| 24.4 in | 20.4521 寸 |
| 24.5 in | 20.5359 寸 |
| 24.6 in | 20.6197 寸 |
| 24.7 in | 20.7035 寸 |
| 24.8 in | 20.7874 寸 |
| 24.9 in | 20.8712 寸 |
| 25 in | 20.955 寸 |
| 25.1 in | 21.0388 寸 |
| 25.2 in | 21.1226 寸 |
| 25.3 in | 21.2065 寸 |
| 25.4 in | 21.2903 寸 |
| 25.5 in | 21.3741 寸 |
| 25.6 in | 21.4579 寸 |
| 25.7 in | 21.5417 寸 |
| 25.8 in | 21.6256 寸 |
| 25.9 in | 21.7094 寸 |
| 26 in | 21.7932 寸 |
| 26.1 in | 21.877 寸 |
| 26.2 in | 21.9608 寸 |
| 26.3 in | 22.0447 寸 |
| 26.4 in | 22.1285 寸 |
| 26.5 in | 22.2123 寸 |
| 26.6 in | 22.2961 寸 |
| 26.7 in | 22.3799 寸 |
| 26.8 in | 22.4638 寸 |
| 26.9 in | 22.5476 寸 |
| 27 in | 22.6314 寸 |