質量は肉体の物質の量です。それは物質の基本的な特性であり、キログラム（kg）で測定されます。
1 slug = 9,384.096 dwt
1 dwt = 0 slug
例:
15 ナメクジをペニー級に変換します。
15 slug = 140,761.434 dwt
| ナメクジ | ペニー級 |
|---|---|
| 0.01 slug | 93.841 dwt |
| 0.1 slug | 938.41 dwt |
| 1 slug | 9,384.096 dwt |
| 2 slug | 18,768.191 dwt |
| 3 slug | 28,152.287 dwt |
| 5 slug | 46,920.478 dwt |
| 10 slug | 93,840.956 dwt |
| 20 slug | 187,681.912 dwt |
| 30 slug | 281,522.868 dwt |
| 40 slug | 375,363.824 dwt |
| 50 slug | 469,204.78 dwt |
| 60 slug | 563,045.736 dwt |
| 70 slug | 656,886.692 dwt |
| 80 slug | 750,727.649 dwt |
| 90 slug | 844,568.605 dwt |
| 100 slug | 938,409.561 dwt |
| 250 slug | 2,346,023.902 dwt |
| 500 slug | 4,692,047.803 dwt |
| 750 slug | 7,038,071.705 dwt |
| 1000 slug | 9,384,095.607 dwt |
| 10000 slug | 93,840,956.07 dwt |
| 100000 slug | 938,409,560.696 dwt |
Inayam