| 0.01 HELMET cost | 0.000003 STRAT |
| 0.1 HELMET cost | 0.000028 STRAT |
| 0.2 HELMET cost | 0.000055 STRAT |
| 1 HELMET cost | 0.000276 STRAT |
| 5 HELMET cost | 0.001380 STRAT |
| 10 HELMET cost | 0.002761 STRAT |
| 50 HELMET cost | 0.013803 STRAT |
| 100 HELMET cost | 0.027605 STRAT |
| 1000 HELMET cost | 0.276054 STRAT |
| 10000 HELMET cost | 2.760536 STRAT |
| 100000 HELMET cost | 27.605358 STRAT |