To convert pennyweights to micrograms, multiply the value by 1,555,170. To go the other way, multiply micrograms by 6.43015 × 10⁻⁷ to get pennyweights.
| Pennyweights (dwt) | Micrograms (µg) |
|---|---|
| 1 dwt | 1,555,170 µg |
| 2 dwt | 3,110,350 µg |
| 3 dwt | 4,665,520 µg |
| 4 dwt | 6,220,700 µg |
| 5 dwt | 7,775,870 µg |
| 6 dwt | 9,331,040 µg |
| 7 dwt | 10,886,200 µg |
| 8 dwt | 12,441,400 µg |
| 9 dwt | 13,996,600 µg |
| 10 dwt | 15,551,700 µg |
| 12 dwt | 18,662,100 µg |
| 14 dwt | 21,772,400 µg |
| 15 dwt | 23,327,600 µg |
| 20 dwt | 31,103,500 µg |
| 21 dwt | 32,658,700 µg |
| 24 dwt | 37,324,200 µg |
| 25 dwt | 38,879,346 µg |
| 30 dwt | 46,655,200 µg |
| 40 dwt | 62,207,000 µg |
| 50 dwt | 77,758,692 µg |
| 60 dwt | 93,310,400 µg |
| 75 dwt | 116,638,038 µg |
| 80 dwt | 124,414,000 µg |
| 100 dwt | 155,517,384 µg |
| 200 dwt | 311,034,768 µg |
| 250 dwt | 388,793,460 µg |
| 300 dwt | 466,552,152 µg |
| 400 dwt | 622,069,536 µg |
| 500 dwt | 777,586,920 µg |
| 750 dwt | 1,166,380,380 µg |
| 1,000 dwt | 1,555,173,840 µg |
Pennyweight (dwt). A pennyweight is 1/20 of a troy ounce (1.555 g), used by jewellers.
Microgram (µg). A microgram is one millionth of a gram, used for vitamins, medicines and trace amounts.
There are 1,555,170 micrograms in one pennyweight.
Multiply the number of pennyweights by 1,555,170. For example, 10 pennyweights equal 15,551,700 micrograms.
One microgram equals 6.43015 × 10⁻⁷ pennyweights.
18,662,100 micrograms. Other common values: 5 pennyweights = 7,775,870 micrograms and 100 pennyweights = 155,517,384 micrograms.