AVOIRDUPOIS OR COMMERCIAL WEIGHT.
| 16 | drachms | 1 ounce. |
| 16 | ounces | 1 pound. |
| 14 | pounds | 1 stone. |
| 28 | pounds | 1 quarter. |
| 4 | quarters | 1 cwt. |
| 2240 | pounds | 1 long ton. |
| 2000 | pounds | 1 ton. |
| 16 | drachms | 1 ounce. |
| 16 | ounces | 1 pound. |
| 14 | pounds | 1 stone. |
| 28 | pounds | 1 quarter. |
| 4 | quarters | 1 cwt. |
| 2240 | pounds | 1 long ton. |
| 2000 | pounds | 1 ton. |