| Abbreviation | Unit | 1 Base Unit |
|---|---|---|
| kg/kg | kilogram per kilogram | 1 |
| %[mass] | percent [mass basis] | 0.01 |
| g/kg | gram per kilogram | 0.001 |
| g/t | gram per tonne | 1E-06 |
| kg/sack[94lbm] | kilogram per 94-pound-sack | 0.023453432147327404 |
| kg/t | kilogram per tonne | 0.001 |
| mg/g | milligram per gram | 0.001 |
| mg/kg | milligram per kilogram | 1E-06 |
| ng/g | nanogram per gram | 1E-09 |
| ng/mg | nanogram per milligram | 1E-06 |
| ppm[mass] | part per million [mass basis] | 1E-06 |
| ug/g | microgram per gram | 1E-06 |
| ug/mg | microgram per milligram | 0.001 |