Degree to Radian
degree to radian Conversion Table
| degree (°) | radian (rad) | |
|---|---|---|
| 0.01 ° | → | 0.0001745329 rad |
| 0.1 ° | → | 0.0017453293 rad |
| 1.0 ° | → | 0.0174532925 rad |
| 2.0 ° | → | 0.034906585 rad |
| 3.0 ° | → | 0.0523598776 rad |
| 5.0 ° | → | 0.0872664626 rad |
| 10.0 ° | → | 0.1745329252 rad |
| 20.0 ° | → | 0.3490658504 rad |
| 30.0 ° | → | 0.5235987756 rad |
| 50.0 ° | → | 0.872664626 rad |
| 100.0 ° | → | 1.745329252 rad |
| 1000.0 ° | → | 17.4532925199 rad |
Example Conversion
To convert from degree to radian, multiply by 0.0174532925.
For example: 22 degree = 22 × 0.0174532925 = 0.3839724354 radian
Unit History
About degree
Degrees are the most familiar unit for measuring angles, with a full circle divided into 360°. Originating from ancient Babylonian astronomy, degrees remain the standard in geometry, navigation, and everyday life for describing turns and directions.
About radian
The radian is the SI unit for angular measure, defined by the angle subtended at the center of a circle by an arc equal in length to the circle's radius. One full circle equals 2Ï€ radians. Radians are essential in calculus, physics, and advanced mathematics because they simplify many formulas.