| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how fast is the speed of light in km | 0.32 | 0.2 | 9064 | 6 |
| how fast is the speed of light in km per hour | 1.17 | 0.8 | 1076 | 52 |
| how fast is the speed of light in km/h | 1.62 | 0.7 | 8003 | 51 |
| how fast is the speed of light in mph and kmh | 1.42 | 0.5 | 1322 | 98 |
| how fast is the speed of light in km/s | 0.4 | 1 | 5860 | 37 |
| speed of light in miles hour | 0.14 | 0.5 | 8438 | 98 |
| speed of light km per s | 0.03 | 0.2 | 825 | 4 |
| speed of light in km/hr | 1.39 | 0.5 | 7643 | 58 |
