| 2.67923E-18 | livre (troy) |
| 2.20462E-18 | livre |
| 1.0E-15 | gramme |
| 1.0E-18 | kilogramme |
| 1.0E-12 | milligramme |
| 1.0E-9 | microgramme |
| 3.21507E-17 | once (troy) |
| 1.0E-21 | tonne |
| 3.5274E-17 | once |
| 6.8073E-20 | arrobe (Portugal) |
| 6.66667E-17 | thai (Thaïlande) |
| 5.0E-15 | carat (international) |
| 5.0E-15 | carat (métrique) |
| 3.85809E-15 | carat (anglo-saxon) |
| 7.14286E-21 | carga (mexicaine) |
| 8.0E-21 | carga (colombienne) |
| 6.21118E-21 | carga (du Costa Rica) |
| 2.0E-18 | catty (Chine) |
| 1.66667E-18 | catty (Japon, Thaïlande) |
| 2.20462E-20 | quintal |
| 1.0E-13 | centigramme |
| 2.0E-20 | quintal (Allemagne) |
| 2.0E-20 | quintal (Danemark) |
| 2.0E-18 | chin (Chine) |
| 2.66667E-16 | chin (Cambodge) |
| 2.6455E-16 | chin (Hong Kong) |
| 3.14961E-19 | clove |
| 9.09091E-16 | denaro (Italie) |
| 7.84314E-16 | denier (France) |
| 2.63158E-16 | drachme |
| 5.64383E-16 | dram |
| 1097770000000 | masse électron |
| 0 | exagramme |
| 1 | femtogramme |
| 1.0E-24 | gigagramme |
| 1.0E-30 | gigatonne |
| 1.54324E-14 | grain |
| 1.21951E-15 | gran (Allemagne) |
| 2.03874E-14 | grano (Italie) |
| 2.0E-14 | grano (Espagne) |
| 2.61506E-16 | gros (France) |
| 1.01972E-19 | hyl |