| Milligrams | Long Hundredweights (UK) |
| 1 mg | 1.9684132660031E-8 cwt long |
| 2 mg | 3.9368265320062E-8 cwt long |
| 3 mg | 5.9052397980093E-8 cwt long |
| 4 mg | 7.8736530640124E-8 cwt long |
| 5 mg | 9.8420663300155E-8 cwt long |
| 6 mg | 1.1810479596019E-7 cwt long |
| 7 mg | 1.3778892862022E-7 cwt long |
| 8 mg | 1.5747306128025E-7 cwt long |
| 9 mg | 1.7715719394028E-7 cwt long |
| 10 mg | 1.9684132660031E-7 cwt long |
| 11 mg | 2.1652545926034E-7 cwt long |
| 12 mg | 2.3620959192037E-7 cwt long |
| 13 mg | 2.558937245804E-7 cwt long |
| 14 mg | 2.7557785724043E-7 cwt long |
| 15 mg | 2.9526198990047E-7 cwt long |
| 16 mg | 3.149461225605E-7 cwt long |
| 17 mg | 3.3463025522053E-7 cwt long |
| 18 mg | 3.5431438788056E-7 cwt long |
| 19 mg | 3.7399852054059E-7 cwt long |
| 20 mg | 3.9368265320062E-7 cwt long |