hour of arc
| Symbol: | |||||
| Category: | Angle | ||||
| SI Equivalent: | 0.261799 rad | ||||
| Dimension: | a | ||||
| Notes | |||||
Unit of plane angle used in aeronautical navigation.
| |||||
1 hour of arc =
| Angle | ||
| Symbol | Unit Name | |
| 900 | ' | arc minute (minute of arc) |
| 5.4×104 | " | arc second (second of arc) |
| 4.16667×10-2 | circumference | |
| 15 | ° | degree |
| 16.6667 | gr | gon |
| 16.6667 | gr | grade |
| 261.799 | mrad | milliradian |
| 26.1808 | % | percent |
| 0.166667 | quadrant (angle) | |
| 0.261799 | rad | radian |
| 4.16667×10-2 | rev | revolution |
| 0.5 | sign | |















