| 0.01 HELMET cost | 0.000003 STRAT |
| 0.1 HELMET cost | 0.000035 STRAT |
| 0.2 HELMET cost | 0.000069 STRAT |
| 1 HELMET cost | 0.000347 STRAT |
| 5 HELMET cost | 0.001733 STRAT |
| 10 HELMET cost | 0.003465 STRAT |
| 50 HELMET cost | 0.017327 STRAT |
| 100 HELMET cost | 0.034654 STRAT |
| 1000 HELMET cost | 0.346541 STRAT |
| 10000 HELMET cost | 3.465408 STRAT |
| 100000 HELMET cost | 34.654081 STRAT |