| 0.01 COAL cost | 0.014010 SKY |
| 0.1 COAL cost | 0.140102 SKY |
| 0.2 COAL cost | 0.280203 SKY |
| 1 COAL cost | 1.401017 SKY |
| 5 COAL cost | 7.005087 SKY |
| 10 COAL cost | 14.010174 SKY |
| 50 COAL cost | 70.050872 SKY |
| 100 COAL cost | 140.101744 SKY |
| 1000 COAL cost | 1,401.017443 SKY |
| 10000 COAL cost | 14,010.174431 SKY |
| 100000 COAL cost | 140,101.744307 SKY |