速度是对象移动的速度，而速度是指定方向的速度。它以每秒米（m/s）为单位进行测量。
1 mi/s = 1.7010e-13 pc/yr
1 pc/yr = 5,878,807,461,443.822 mi/s
例子:
将15 每秒英里转换为每年parsec：
15 mi/s = 2.5515e-12 pc/yr
| 每秒英里 | 每年parsec |
|---|---|
| 0.01 mi/s | 1.7010e-15 pc/yr |
| 0.1 mi/s | 1.7010e-14 pc/yr |
| 1 mi/s | 1.7010e-13 pc/yr |
| 2 mi/s | 3.4021e-13 pc/yr |
| 3 mi/s | 5.1031e-13 pc/yr |
| 5 mi/s | 8.5051e-13 pc/yr |
| 10 mi/s | 1.7010e-12 pc/yr |
| 20 mi/s | 3.4021e-12 pc/yr |
| 30 mi/s | 5.1031e-12 pc/yr |
| 40 mi/s | 6.8041e-12 pc/yr |
| 50 mi/s | 8.5051e-12 pc/yr |
| 60 mi/s | 1.0206e-11 pc/yr |
| 70 mi/s | 1.1907e-11 pc/yr |
| 80 mi/s | 1.3608e-11 pc/yr |
| 90 mi/s | 1.5309e-11 pc/yr |
| 100 mi/s | 1.7010e-11 pc/yr |
| 250 mi/s | 4.2526e-11 pc/yr |
| 500 mi/s | 8.5051e-11 pc/yr |
| 750 mi/s | 1.2758e-10 pc/yr |
| 1000 mi/s | 1.7010e-10 pc/yr |
| 10000 mi/s | 1.7010e-9 pc/yr |
| 100000 mi/s | 1.7010e-8 pc/yr |
规则