| Value | Unit |
|---|---|
| 2.67923E-18 | pound (troy) |
| 2.20462E-18 | pound |
| 1.0E-15 | gram |
| 1.0E-18 | kilogram |
| 1.0E-12 | milligram |
| 1.0E-9 | microgram |
| 3.21507E-17 | ounce (troy) |
| 1.0E-21 | tonne |
| 3.5274E-17 | ounce |
| 6.8073E-20 | arroba (Portugal) |
| 6.66667E-17 | thai (Thailand) |
| 5.0E-15 | carat (international) |
| 5.0E-15 | carat (metric) |
| 3.85809E-15 | carat (UK) |
| 7.14286E-21 | carga (Mexico) |
| 8.0E-21 | carga (Colombia) |
| 6.21118E-21 | carga (Costa Rica) |
| 2.0E-18 | catty (China) |
| 1.66667E-18 | catty (Japan, Thailand) |
| 2.20462E-20 | cental |
| 1.0E-13 | centigram |
| 2.0E-20 | hundredweight (Germany) |
| 2.0E-20 | hundredweight (Denmark) |
| 2.0E-18 | chin (China) |
| 2.66667E-16 | chin (Cambodia) |
| 2.6455E-16 | chin (Hong Kong) |
| 3.14961E-19 | clove |
| 9.09091E-16 | denaro (Italy) |
| 7.84314E-16 | denier (France) |
| 2.63158E-16 | drachme |
| 5.64383E-16 | dram |
| 1097770000000 | electron mass |
| 0 | exagram |
| 1 | femtogram |
| 1.0E-24 | gigagram |
| 1.0E-30 | gigatonne |
| 1.54324E-14 | grain |
| 1.21951E-15 | gran (Germany) |
| 2.03874E-14 | grano (Italy) |
| 2.0E-14 | grano (Spain) |
| 2.61506E-16 | gros (France) |
| 1.01972E-19 | hyl |