| 0.00267923 | libra (troy) |
| 0.00220462 | libra |
| 1 | gramo |
| 0.001 | kilogramo |
| 1000 | microgramo |
| 1000000 | microgramme |
| 0.0321507 | onza (troy) |
| 1.0E-6 | tonelada |
| 0.035274 | onza |
| 6.8073E-5 | arroba |
| 0.0666667 | thai |
| 5 | quilate (internacional) |
| 5 | quilate (métrico) |
| 3.85809 | quilate (británico) |
| 7.14286E-6 | carga (mexicana) |
| 8.0E-6 | carga (colombiana) |
| 6.21118E-6 | carga (costarricense) |
| 0.002 | catty (china) |
| 0.00166667 | catty (Japón, Tailandia) |
| 2.20462E-5 | cental |
| 100 | centigramo |
| 2.0E-5 | quintal (Alemania) |
| 2.0E-5 | quintal (Dinamarca) |
| 0.002 | chin (China) |
| 0.266667 | chin (Camboya) |
| 0.26455 | chin (Hong Kong) |
| 0.000314961 | clove |
| 0.909091 | denaro (Italia) |
| 0.784314 | denier (Francia) |
| 0.263158 | dracma |
| 0.564383 | dram |
| 1.09777E+27 | electrón masa |
| 1.0E-18 | exagramo |
| 1.0E+15 | femtogramo |
| 1.0E-9 | gigagramo |
| 1.0E-15 | gigatonelada |
| 15.4324 | grano |
| 1.21951 | grano (Alemania) |
| 20.3874 | grano (Italia) |
| 20 | grano (España) |
| 0.261506 | gros (Francia) |
| 0.000101972 | hyl |