pennyweight
Massexact by definition
The pennyweight is exactly 24 grains, or one twentieth of a troy ounce, which is exactly 1.55517384 grams. Jewellers price scrap and casting work by the pennyweight, and dental alloys are still specified in it.
| 1 | 0.0015551738 |
Where the unit came from
It was literally the mass of a silver penny in medieval England: 240 pennies to the troy pound, which is where 240 pence to the pound sterling came from. The abbreviation dwt uses d for denarius, the same d that meant pence in pre-decimal British currency.
One pennyweight in every mass unit
| 9.36548e+23 | unified atomic mass unit (dalton) (u) | |
| 1,555,170,000,000 | picogram (pg) | |
| 1,555,170,000 | nanogram (ng) | |
| 1,555,170 | microgram (μg) | |
| 1,555.17 | milligram (mg) | |
| 155.517 | centigram (cg) | |
| 24 | grain (gr) | |
| 7.77587 | metric carat (ct) | |
| 1.55517 | gram (g) | |
| 1 | pennyweight (dwt)this unit | |
| 0.877714 | dram (dr) | |
| 0.0548571 | ounce (oz) | |
| 0.05 | troy ounce (oz t) | |
| 0.00416667 | troy pound (lb t) | |
| 0.00342857 | pound (lb) | |
| 0.00155517 | kilogram (kg) | |
| 0.000244898 | stone (st) | |
| 0.000106563 | slug (slug) | |
| 0.0000342857 | US hundredweight (cwt) | |
| 0.0000306122 | UK long hundredweight (cwt (UK)) | |
| 0.0000155517 | quintal (q) | |
| 0.00000171429 | US short ton (ton) | |
| 0.00000155517 | metric tonne (t) | |
| 0.00000153061 | UK long ton (long ton) | |
| 1.55517e-09 | kilotonne (kt) | |
| 1.55517e-12 | megatonne (Mt) | |
| 1.55517e-15 | gigatonne (Gt) | |
| 2.60402e-28 | Earth mass (Mearth) | |
| 7.82119e-34 | solar mass (Msun) |
Solvers that use mass