| 0.01 COAL cost | 0.015328 SKY |
| 0.1 COAL cost | 0.153282 SKY |
| 0.2 COAL cost | 0.306563 SKY |
| 1 COAL cost | 1.532816 SKY |
| 5 COAL cost | 7.664081 SKY |
| 10 COAL cost | 15.328163 SKY |
| 50 COAL cost | 76.640814 SKY |
| 100 COAL cost | 153.281629 SKY |
| 1000 COAL cost | 1,532.816289 SKY |
| 10000 COAL cost | 15,328.162889 SKY |
| 100000 COAL cost | 153,281.628890 SKY |