21毫米等于多少寸？毫米（或称“毫米”，单位符号是：mm）和寸（单位符号是：寸）是长度单位，它们之间的换算关系是：1毫米等于0.03寸。要将21毫米转换为寸，我们可以通过毫米与寸换算比率来计算：
21 毫米 = 21 * 0.03 寸 = 0.63 寸
因此，21毫米换算成寸的答案是21毫米等于0.63寸。
了解更多：21寸等于多少毫米？ | 1毫米等于多少寸？ | 1寸等于多少毫米？
| 毫米 (mm) | 寸 (寸) |
|---|---|
| 21.1 mm | 0.633 寸 |
| 21.2 mm | 0.636 寸 |
| 21.3 mm | 0.639 寸 |
| 21.4 mm | 0.642 寸 |
| 21.5 mm | 0.645 寸 |
| 21.6 mm | 0.648 寸 |
| 21.7 mm | 0.651 寸 |
| 21.8 mm | 0.654 寸 |
| 21.9 mm | 0.657 寸 |
| 22 mm | 0.66 寸 |
| 22.1 mm | 0.663 寸 |
| 22.2 mm | 0.666 寸 |
| 22.3 mm | 0.669 寸 |
| 22.4 mm | 0.672 寸 |
| 22.5 mm | 0.675 寸 |
| 22.6 mm | 0.678 寸 |
| 22.7 mm | 0.681 寸 |
| 22.8 mm | 0.684 寸 |
| 22.9 mm | 0.687 寸 |
| 23 mm | 0.69 寸 |
| 23.1 mm | 0.693 寸 |
| 23.2 mm | 0.696 寸 |
| 23.3 mm | 0.699 寸 |
| 23.4 mm | 0.702 寸 |
| 23.5 mm | 0.705 寸 |
| 23.6 mm | 0.708 寸 |
| 23.7 mm | 0.711 寸 |
| 23.8 mm | 0.714 寸 |
| 23.9 mm | 0.717 寸 |
| 24 mm | 0.72 寸 |
| 毫米 (mm) | 寸 (寸) |
|---|---|
| 24.1 mm | 0.723 寸 |
| 24.2 mm | 0.726 寸 |
| 24.3 mm | 0.729 寸 |
| 24.4 mm | 0.732 寸 |
| 24.5 mm | 0.735 寸 |
| 24.6 mm | 0.738 寸 |
| 24.7 mm | 0.741 寸 |
| 24.8 mm | 0.744 寸 |
| 24.9 mm | 0.747 寸 |
| 25 mm | 0.75 寸 |
| 25.1 mm | 0.753 寸 |
| 25.2 mm | 0.756 寸 |
| 25.3 mm | 0.759 寸 |
| 25.4 mm | 0.762 寸 |
| 25.5 mm | 0.765 寸 |
| 25.6 mm | 0.768 寸 |
| 25.7 mm | 0.771 寸 |
| 25.8 mm | 0.774 寸 |
| 25.9 mm | 0.777 寸 |
| 26 mm | 0.78 寸 |
| 26.1 mm | 0.783 寸 |
| 26.2 mm | 0.786 寸 |
| 26.3 mm | 0.789 寸 |
| 26.4 mm | 0.792 寸 |
| 26.5 mm | 0.795 寸 |
| 26.6 mm | 0.798 寸 |
| 26.7 mm | 0.801 寸 |
| 26.8 mm | 0.804 寸 |
| 26.9 mm | 0.807 寸 |
| 27 mm | 0.81 寸 |