1英寸等于0.0254米：
1英寸 = 0.0254米
距离 d 以米(米)为单位等于距离 d 以英寸为单位乘以0.0254：
d(米) = d( × 0.0254
转换 20 inches to meters:
d(米) = 20× 0.0254 = 0.508米
| 英寸 (") | 米 (米) |
|---|---|
| 0.01 | 0.000254000 m |
| 1/64 | 0.000396875 m |
| 1/32 | 0.000793750 m |
| 1/16 | 0.001587500 m |
| 0.1 | 0.002540000 m |
| 1/8 | 0.003175 m |
| 1/4 | 0.00635 m |
| 1/2 | 0.0127 m |
| 1 | 0.0254 m |
| 2 | 0.0508 m |
| 3 | 0.0762 m |
| 4 | 0.1016 m |
| 5 | 0.1270 m |
| 6 | 0.1524 m |
| 7 | 0.1778 m |
| 8 | 0.2032 m |
| 9 | 0.2286 m |
| 10 | 0.2540 m |
| 20 | 0.5080 m |
| 30 | 0.7620 m |
| 40 | 1.0160 m |
| 50 | 1.2700 m |
| 60 | 1.5240 m |
| 70 | 1.7780 m |
| 80 | 2.0320 m |
| 90 | 2.2860 m |
| 100 | 2.5400 m |
