Degrees to Radians
180 Degrees = 3.141592654 Radians
3.141592654
About these units
Degrees
The degree divides a full circle into 360 parts, a convention inherited from ancient Babylonian astronomy. It's the everyday angle unit.
Radians
The radian is the SI unit of angle, defined by the radius wrapped along the circle's edge. A full circle is 2π radians.
Conversion formula
To convert Degree to Radian, multiply the value by 0.01745329252.
Quick reference
| Degrees | Radians |
|---|---|
| 1 | 0.01745329252 |
| 2 | 0.03490658504 |
| 5 | 0.0872664626 |
| 10 | 0.1745329252 |
| 100 | 1.745329252 |
Frequently asked questions
- How many Radians are in one Degree?
- 1 Degree = 0.01745329252 Radians.
- How many Degrees are in one Radian?
- 1 Radian = 57.29577951 Degrees.