电阻是通过材料通过电流流动的对立。它以欧姆（ω）进行测量。
1 MΩ = 1,000,000 S
1 S = 1.0000e-6 MΩ
例子:
将15 Megaohm转换为西门子：
15 MΩ = 15,000,000 S
| Megaohm | 西门子 |
|---|---|
| 0.01 MΩ | 10,000 S |
| 0.1 MΩ | 100,000 S |
| 1 MΩ | 1,000,000 S |
| 2 MΩ | 2,000,000 S |
| 3 MΩ | 3,000,000 S |
| 5 MΩ | 5,000,000 S |
| 10 MΩ | 10,000,000 S |
| 20 MΩ | 20,000,000 S |
| 30 MΩ | 30,000,000 S |
| 40 MΩ | 40,000,000 S |
| 50 MΩ | 50,000,000 S |
| 60 MΩ | 60,000,000 S |
| 70 MΩ | 70,000,000 S |
| 80 MΩ | 80,000,000 S |
| 90 MΩ | 90,000,000 S |
| 100 MΩ | 100,000,000 S |
| 250 MΩ | 250,000,000 S |
| 500 MΩ | 500,000,000 S |
| 750 MΩ | 750,000,000 S |
| 1000 MΩ | 1,000,000,000 S |
| 10000 MΩ | 10,000,000,000 S |
| 100000 MΩ | 100,000,000,000 S |
规则