放射性是不稳定原子核因辐射失去能量的过程。它以Becquerels（BQ）进行测量。
1 mSv = 1,000,000 nGy
1 nGy = 1.0000e-6 mSv
例子:
将15 毫米转换为纳米：
15 mSv = 15,000,000 nGy
| 毫米 | 纳米 |
|---|---|
| 0.01 mSv | 10,000 nGy |
| 0.1 mSv | 100,000 nGy |
| 1 mSv | 1,000,000 nGy |
| 2 mSv | 2,000,000 nGy |
| 3 mSv | 3,000,000 nGy |
| 5 mSv | 5,000,000 nGy |
| 10 mSv | 10,000,000 nGy |
| 20 mSv | 20,000,000 nGy |
| 30 mSv | 30,000,000 nGy |
| 40 mSv | 40,000,000 nGy |
| 50 mSv | 50,000,000 nGy |
| 60 mSv | 60,000,000 nGy |
| 70 mSv | 70,000,000 nGy |
| 80 mSv | 80,000,000 nGy |
| 90 mSv | 90,000,000 nGy |
| 100 mSv | 100,000,000 nGy |
| 250 mSv | 250,000,000 nGy |
| 500 mSv | 500,000,000 nGy |
| 750 mSv | 750,000,000 nGy |
| 1000 mSv | 1,000,000,000 nGy |
| 10000 mSv | 10,000,000,000 nGy |
| 100000 mSv | 100,000,000,000 nGy |
规则