Plane Angle Converter
Plane angle unit conversion table
| Name of unit | Symbol | Definition | Relation to SI units |
|---|---|---|---|
| angular mil | µ | ≡ 2π⁄ 6400rad | ≈ 0.981 748×10 −3 rad |
| arcminute; MOA | ' | ≡ 1°⁄ 60 | ≈ 0.290 888×10 −3 rad |
| arcsecond | " | ≡ 1°⁄ 3600 | ≈ 4.848 137×10 −6 rad |
| centesimal minute of arc | ' | ≡ 1⁄ 100grad | ≈ 0.157 080×10 −3 rad |
| centesimal second of arc | " | ≡ 1⁄ 10 000grad | ≈ 1.570 796×10 −6 rad |
| degree (of arc) | ° | ≡ 1⁄ 360of a revolution ≡ π⁄ 180rad | ≈ 17.453 293×10 −3 rad |
| grad; gradian; gon | grad | ≡ 1⁄ 400of a revolution ≡ π⁄ 200rad ≡ 0.9° | ≈ 15.707 963×10 −3 rad |
| octant | ≡ 45° | ≈ 0.785 398 rad | |
| quadrant | ≡ 90° | ≈ 1.570 796 rad | |
| radian(SI unit) | rad | The angle subtended at the center of a circle by
an arc whose length is equal to the circle's radius.
| = 1 rad |
| sextant | ≡ 60° | ≈ 1.047 198 rad | |
| sign | ≡ 30° | ≈ 0.523 599 rad |