| 0.01 ROCK cost | 0.000762 NLG |
| 0.1 ROCK cost | 0.007616 NLG |
| 0.2 ROCK cost | 0.015231 NLG |
| 1 ROCK cost | 0.076156 NLG |
| 5 ROCK cost | 0.380779 NLG |
| 10 ROCK cost | 0.761558 NLG |
| 50 ROCK cost | 3.807789 NLG |
| 100 ROCK cost | 7.615578 NLG |
| 1000 ROCK cost | 76.155781 NLG |
| 10000 ROCK cost | 761.557814 NLG |
| 100000 ROCK cost | 7,615.578143 NLG |