| Unit | Standard Form | Name | Scale | Offset |
| md.ft | mD.ft | GeoFrame legacy unit | 3.01E-016 | 0.00E+000 |
| mD.ft | mD.ft | millidarcy-foot | 3.01E-016 | 0.00E+000 |
| mD.m | mD.m | millidarcy-meter | 9.87E-016 | 0.00E+000 |
| md.m | mD.m | millidarcy-meter (GeoFrame legacy unit) | 9.87E-016 | 0.00E+000 |
