速度是相对于参考框架的对象位置的变化速率。它以每次距离的单位（例如每秒米（m/s））进行测量。
1 in/s = 25,400 µm/s
1 µm/s = 3.9370e-5 in/s
例子:
将15 每秒英寸转换为每秒千分尺：
15 in/s = 381,000 µm/s
| 每秒英寸 | 每秒千分尺 |
|---|---|
| 0.01 in/s | 254 µm/s |
| 0.1 in/s | 2,540 µm/s |
| 1 in/s | 25,400 µm/s |
| 2 in/s | 50,800 µm/s |
| 3 in/s | 76,200 µm/s |
| 5 in/s | 127,000 µm/s |
| 10 in/s | 254,000 µm/s |
| 20 in/s | 508,000 µm/s |
| 30 in/s | 762,000 µm/s |
| 40 in/s | 1,016,000 µm/s |
| 50 in/s | 1,270,000 µm/s |
| 60 in/s | 1,524,000 µm/s |
| 70 in/s | 1,778,000 µm/s |
| 80 in/s | 2,032,000 µm/s |
| 90 in/s | 2,286,000 µm/s |
| 100 in/s | 2,540,000 µm/s |
| 250 in/s | 6,350,000 µm/s |
| 500 in/s | 12,700,000 µm/s |
| 750 in/s | 19,050,000 µm/s |
| 1000 in/s | 25,400,000 µm/s |
| 10000 in/s | 254,000,000 µm/s |
| 100000 in/s | 2,540,000,000 µm/s |
规则