| 0.01 COAL cost | 0.012835 SKY |
| 0.1 COAL cost | 0.128347 SKY |
| 0.2 COAL cost | 0.256695 SKY |
| 1 COAL cost | 1.283473 SKY |
| 5 COAL cost | 6.417364 SKY |
| 10 COAL cost | 12.834729 SKY |
| 50 COAL cost | 64.173645 SKY |
| 100 COAL cost | 128.347289 SKY |
| 1000 COAL cost | 1,283.472891 SKY |
| 10000 COAL cost | 12,834.728911 SKY |
| 100000 COAL cost | 128,347.289111 SKY |