# Supported angular units

Use supported angular units.

Table 1 shows a sample of the available angular units. For
a complete list, use the following query:

```
select substr(unit_name,1,20) as unit_name, conversion_factor as factor, substr(description,1,35)
from sysgeo.st_units_of_measure where unit_type = 'ANGULAR' order by unit_name
```

Unit | Valid range for latitude | Valid range for longitude | Conversion factor |
---|---|---|---|

Radian |
-pi/2 and pi/2 radians (inclusive) |
-pi and pi radians (inclusive) |
1.0 |

Decimal Degree |
-90 and 90 degrees (inclusive) |
-180 and 180 degrees (inclusive) |
pi/180 |

Decimal Minute |
-5400 and 5400 minutes (inclusive) |
-10800 and 10800 minutes (inclusive) |
(pi/180)/60 |

Decimal Second |
-324000 and 324000 seconds (inclusive) |
-648000 and 648000 seconds (inclusive) |
(pi/180)*3600 |

Gon |
-100 and 100 gradians (inclusive) |
-200 and 200 gradians (inclusive) |
pi/200 |

Grad |
-100 and 100 gradians (inclusive) |
-200 and 200 gradians (inclusive) |
pi/200 |