| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| stefan boltzmann constant btu | 1.72 | 0.8 | 1674 | 55 | 29 |
| stefan | 1.58 | 0.9 | 9202 | 57 | 6 |
| boltzmann | 1.04 | 0.8 | 9778 | 43 | 9 |
| constant | 1.39 | 0.3 | 2872 | 89 | 8 |
| btu | 0.86 | 0.9 | 5779 | 7 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| stefan boltzmann constant btu | 0.03 | 0.7 | 8016 | 15 |
