| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| permittivity of free space value si units | 0.86 | 0.1 | 5822 | 65 | 41 |
| permittivity | 1.71 | 0.8 | 2124 | 18 | 12 |
| of | 1.51 | 0.8 | 6344 | 97 | 2 |
| free | 1.63 | 0.6 | 6516 | 49 | 4 |
| space | 0.25 | 0.8 | 5766 | 85 | 5 |
| value | 0.33 | 0.9 | 8139 | 3 | 5 |
| si | 1.46 | 0.3 | 8548 | 99 | 2 |
| units | 0.4 | 0.8 | 7196 | 2 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| permittivity of free space value si units | 0.62 | 0.2 | 1065 | 16 |
