Degrees to Radians Converter
This free angle converter changes degrees (°) to radians (rad) and back again. The exact relationship is rad = ° × π ÷ 180, so a straight angle of 180° equals exactly π ≈ 3.14159 radians.
Type a value in either field — the result updates in real time. The reference table below shows common angle conversions at a glance. All calculations run entirely in your browser with no data sent to any server.
| Degrees (°) | Radians (rad) |
|---|---|
| 30° | 0.523599 rad |
| 45° | 0.785398 rad |
| 90° | 1.570796 rad |
| 180° | 3.141593 rad |
| 360° | 6.283185 rad |