To convert pennyweights to milligrams, multiply the value by 1,555.17. To go the other way, multiply milligrams by 0.000643015 to get pennyweights.
| Pennyweights (dwt) | Milligrams (mg) |
|---|---|
| 1 dwt | 1,555.17 mg |
| 2 dwt | 3,110.35 mg |
| 3 dwt | 4,665.52 mg |
| 4 dwt | 6,220.7 mg |
| 5 dwt | 7,775.87 mg |
| 6 dwt | 9,331.04 mg |
| 7 dwt | 10,886.2 mg |
| 8 dwt | 12,441.4 mg |
| 9 dwt | 13,996.6 mg |
| 10 dwt | 15,551.7 mg |
| 12 dwt | 18,662.1 mg |
| 14 dwt | 21,772.4 mg |
| 15 dwt | 23,327.6 mg |
| 20 dwt | 31,103.5 mg |
| 21 dwt | 32,658.7 mg |
| 24 dwt | 37,324.2 mg |
| 25 dwt | 38,879.3 mg |
| 30 dwt | 46,655.2 mg |
| 40 dwt | 62,207 mg |
| 50 dwt | 77,758.7 mg |
| 60 dwt | 93,310.4 mg |
| 75 dwt | 116,638 mg |
| 80 dwt | 124,414 mg |
| 100 dwt | 155,517 mg |
| 200 dwt | 311,035 mg |
| 250 dwt | 388,793 mg |
| 300 dwt | 466,552 mg |
| 400 dwt | 622,070 mg |
| 500 dwt | 777,587 mg |
| 750 dwt | 1,166,380 mg |
| 1,000 dwt | 1,555,170 mg |
Pennyweight (dwt). A pennyweight is 1/20 of a troy ounce (1.555 g), used by jewellers.
Milligram (mg). A milligram is one thousandth of a gram, used for medicine doses and nutrition labels.
There are 1,555.17 milligrams in one pennyweight.
Multiply the number of pennyweights by 1,555.17. For example, 10 pennyweights equal 15,551.7 milligrams.
One milligram equals 0.000643015 pennyweights.
18,662.1 milligrams. Other common values: 5 pennyweights = 7,775.87 milligrams and 100 pennyweights = 155,517 milligrams.