| 0.01 ETH cost | 0.000001 COAL |
| 0.1 ETH cost | 0.000010 COAL |
| 0.2 ETH cost | 0.000020 COAL |
| 1 ETH cost | 0.000101 COAL |
| 5 ETH cost | 0.000505 COAL |
| 10 ETH cost | 0.001010 COAL |
| 50 ETH cost | 0.005051 COAL |
| 100 ETH cost | 0.010103 COAL |
| 1000 ETH cost | 0.101029 COAL |
| 10000 ETH cost | 1.010286 COAL |
| 100000 ETH cost | 10.102859 COAL |