| 0.01 SKY cost | 0.007917 COAL |
| 0.1 SKY cost | 0.079170 COAL |
| 0.2 SKY cost | 0.158339 COAL |
| 1 SKY cost | 0.791697 COAL |
| 5 SKY cost | 3.958484 COAL |
| 10 SKY cost | 7.916969 COAL |
| 50 SKY cost | 39.584844 COAL |
| 100 SKY cost | 79.169688 COAL |
| 1000 SKY cost | 791.696876 COAL |
| 10000 SKY cost | 7,916.968762 COAL |
| 100000 SKY cost | 79,169.687620 COAL |