| 2.67923E-18 | libra (troy) |
| 2.20462E-18 | libra |
| 1.0E-15 | gramo |
| 1.0E-18 | kilogramo |
| 1.0E-12 | microgramo |
| 1.0E-9 | microgramme |
| 3.21507E-17 | onza (troy) |
| 1.0E-21 | tonelada |
| 3.5274E-17 | onza |
| 6.8073E-20 | arroba |
| 6.66667E-17 | thai |
| 5.0E-15 | quilate (internacional) |
| 5.0E-15 | quilate (métrico) |
| 3.85809E-15 | quilate (británico) |
| 7.14286E-21 | carga (mexicana) |
| 8.0E-21 | carga (colombiana) |
| 6.21118E-21 | carga (costarricense) |
| 2.0E-18 | catty (china) |
| 1.66667E-18 | catty (Japón, Tailandia) |
| 2.20462E-20 | cental |
| 1.0E-13 | centigramo |
| 2.0E-20 | quintal (Alemania) |
| 2.0E-20 | quintal (Dinamarca) |
| 2.0E-18 | chin (China) |
| 2.66667E-16 | chin (Camboya) |
| 2.6455E-16 | chin (Hong Kong) |
| 3.14961E-19 | clove |
| 9.09091E-16 | denaro (Italia) |
| 7.84314E-16 | denier (Francia) |
| 2.63158E-16 | dracma |
| 5.64383E-16 | dram |
| 1097770000000 | electrón masa |
| 0 | exagramo |
| 1 | femtogramo |
| 1.0E-24 | gigagramo |
| 1.0E-30 | gigatonelada |
| 1.54324E-14 | grano |
| 1.21951E-15 | grano (Alemania) |
| 2.03874E-14 | grano (Italia) |
| 2.0E-14 | grano (España) |
| 2.61506E-16 | gros (Francia) |
| 1.01972E-19 | hyl |