| 1.339615 | livre (troy) |
| 1.10231 | livre |
| 500 | gramme |
| 0.5 | kilogramme |
| 500000 | milligramme |
| 500000000 | microgramme |
| 16.07535 | once (troy) |
| 0.0005 | tonne |
| 17.637 | once |
| 0.0340365 | arrobe (Portugal) |
| 33.33335 | thai (Thaïlande) |
| 2500 | carat (international) |
| 2500 | carat (métrique) |
| 1929.045 | carat (anglo-saxon) |
| 0.00357143 | carga (mexicaine) |
| 0.004 | carga (colombienne) |
| 0.00310559 | carga (du Costa Rica) |
| 1 | catty (Chine) |
| 0.833335 | catty (Japon, Thaïlande) |
| 0.0110231 | quintal |
| 50000 | centigramme |
| 0.01 | quintal (Allemagne) |
| 0.01 | quintal (Danemark) |
| 1 | chin (Chine) |
| 133.3335 | chin (Cambodge) |
| 132.275 | chin (Hong Kong) |
| 0.1574805 | clove |
| 454.5455 | denaro (Italie) |
| 392.157 | denier (France) |
| 131.579 | drachme |
| 282.1915 | dram |
| 5.48885E+29 | masse électron |
| 5.0E-16 | exagramme |
| 5.0E+17 | femtogramme |
| 5.0E-7 | gigagramme |
| 5.0E-13 | gigatonne |
| 7716.2 | grain |
| 609.755 | gran (Allemagne) |
| 10193.7 | grano (Italie) |
| 10000 | grano (Espagne) |
| 130.753 | gros (France) |
| 0.050986 | hyl |