| 0.01 HELMET cost | 0.000002 STRAT |
| 0.1 HELMET cost | 0.000022 STRAT |
| 0.2 HELMET cost | 0.000045 STRAT |
| 1 HELMET cost | 0.000224 STRAT |
| 5 HELMET cost | 0.001122 STRAT |
| 10 HELMET cost | 0.002245 STRAT |
| 50 HELMET cost | 0.011224 STRAT |
| 100 HELMET cost | 0.022448 STRAT |
| 1000 HELMET cost | 0.224477 STRAT |
| 10000 HELMET cost | 2.244768 STRAT |
| 100000 HELMET cost | 22.447680 STRAT |