Degree (angle)
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees.[4]
| Degree | |
|---|---|
 | |
| General information | |
| Unit system | Non-SI accepted unit |
| Unit of | Angle |
| Symbol | °[1][2] or deg[3] |
| Conversions | |
| 1°[1][2] in ... | ... is equal to ... |
| turns | 1/360 turn |
| radians | π/180 rad ≈ 0.01745.. rad |
| milliradians | 50·π/9 mrad ≈ 17.45.. mrad |
| gons | 10/9g |
eighty nine degrees (shown in blue)
It is not an SI unit—the SI unit of angular measure is the radian—but it is mentioned in the SI brochure as an accepted unit.[5] Because a full rotation equals 2π radians, one degree is equivalent to π/180 radians.