| Name | Value | Description |
|---|---|---|
| dxfInches | 0 | |
| dxfFeet | 1 | |
| dxfMiles | 2 | |
| dxfMillimeters | 3 | |
| dxfCentimeters | 4 | |
| dxfMeters | 5 | |
| dxfKilometers | 6 | |
| dxfMicroinches | 7 | |
| dxfMils | 8 | |
| dxfYards | 9 | |
| dxfAngstroms | 10 | |
| dxfNanometers | 11 | |
| dxfMicrons | 12 | |
| dxfDecimeters | 13 | |
| dxfHectometers | 14 | |
| dxfGigameters | 15 | |
| dxfAstronomicalUnits | 16 | |
| dxfLightyears | 17 | |
| dxfParsecs | 18 |