Degrees to Radians
Convert degrees (°) to radians (rad) — type a value and copy. The tool does not upload anything.
Updated Online Protractor
Radians —
Formula: radians = degrees × π ÷ 180 · π ≈ 3.1415926535
Common conversions
| Degrees | Radians | Exact |
|---|---|---|
| 0° | 0 | 0 |
| 30° | 0.5236 | π/6 |
| 45° | 0.7854 | π/4 |
| 60° | 1.0472 | π/3 |
| 90° | 1.5708 | π/2 |
| 120° | 2.0944 | 2π/3 |
| 135° | 2.3562 | 3π/4 |
| 180° | 3.1416 | π |
| 270° | 4.7124 | 3π/2 |
| 360° | 6.2832 | 2π |
Need the reverse? Radians → degrees → · Try toggling Degrees / Radians in the live protractor — copy adapts to the active unit.