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 = 643,014.931 dwt
1 dwt = 1.5552e-6 t
例子:
将15 公吨转换为轻量级：
15 t = 9,645,223.971 dwt
| 公吨 | 轻量级 |
|---|---|
| 0.01 t | 6,430.149 dwt |
| 0.1 t | 64,301.493 dwt |
| 1 t | 643,014.931 dwt |
| 2 t | 1,286,029.863 dwt |
| 3 t | 1,929,044.794 dwt |
| 5 t | 3,215,074.657 dwt |
| 10 t | 6,430,149.314 dwt |
| 20 t | 12,860,298.627 dwt |
| 30 t | 19,290,447.941 dwt |
| 40 t | 25,720,597.255 dwt |
| 50 t | 32,150,746.569 dwt |
| 60 t | 38,580,895.882 dwt |
| 70 t | 45,011,045.196 dwt |
| 80 t | 51,441,194.51 dwt |
| 90 t | 57,871,343.824 dwt |
| 100 t | 64,301,493.137 dwt |
| 250 t | 160,753,732.843 dwt |
| 500 t | 321,507,465.686 dwt |
| 750 t | 482,261,198.529 dwt |
| 1000 t | 643,014,931.373 dwt |
| 10000 t | 6,430,149,313.726 dwt |
| 100000 t | 64,301,493,137.256 dwt |
规则