质量是物理中物质的数量。它是物质的基本特性，以千克（kg）进行测量。
1 t = 157.473 st
1 st = 0.006 t
例子:
将15 公吨转换为石头：
15 t = 2,362.097 st
| 公吨 | 石头 |
|---|---|
| 0.01 t | 1.575 st |
| 0.1 t | 15.747 st |
| 1 t | 157.473 st |
| 2 t | 314.946 st |
| 3 t | 472.419 st |
| 5 t | 787.366 st |
| 10 t | 1,574.731 st |
| 20 t | 3,149.462 st |
| 30 t | 4,724.194 st |
| 40 t | 6,298.925 st |
| 50 t | 7,873.656 st |
| 60 t | 9,448.387 st |
| 70 t | 11,023.119 st |
| 80 t | 12,597.85 st |
| 90 t | 14,172.581 st |
| 100 t | 15,747.312 st |
| 250 t | 39,368.281 st |
| 500 t | 78,736.562 st |
| 750 t | 118,104.842 st |
| 1000 t | 157,473.123 st |
| 10000 t | 1,574,731.233 st |
| 100000 t | 15,747,312.327 st |
规则