Degrees to radians
1 ° = 0.017453293 rad
Formula
Multiply the value in degrees by 0.017453293 to get radians.
rad = ° × 0.017453293
How to convert degrees to radians
Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.
Degrees to radians – common values
| Degrees (°) | Radians (rad) |
|---|---|
| 1 | 0.0174533 |
| 15 | 0.261799 |
| 30 | 0.523599 |
| 45 | 0.785398 |
| 60 | 1.0472 |
| 90 | 1.5708 |
| 120 | 2.0944 |
| 180 | 3.14159 |
| 270 | 4.71239 |
| 360 | 6.28319 |
About the units
Degrees. A full turn is 360 degrees, a division inherited from the Babylonian base-60 system.
Radians. The radian is the SI unit of angle. A full turn is 2π radians, and 1 rad ≈ 57.3°.