Degrees to Radians Converter
One full circle is 360 degrees or 2π radians. Converting degrees to radians is essential for trigonometry, physics, and programming.
Formula
rad = degrees × π ÷ 180Multiply degrees by π and divide by 180.Example: 90° × π ÷ 180 = π/2 ≈ 1.5708 rad
Common Values
| Degree | Radian |
|---|---|
| 0 ° | 0 rad |
| 30 ° | 0.5235987756 rad |
| 45 ° | 0.7853981634 rad |
| 60 ° | 1.047197551 rad |
| 90 ° | 1.570796327 rad |
| 120 ° | 2.094395102 rad |
| 135 ° | 2.35619449 rad |
| 150 ° | 2.617993878 rad |
| 180 ° | 3.141592654 rad |
| 270 ° | 4.71238898 rad |
| 360 ° | 6.283185307 rad |
Unit Definitions
Degree
Symbol: °
The Degree (°) is a unit of angle.
Radian
Symbol: rad
The Radian (rad) is a unit of angle.
Looking for the reverse? Radian to Degree converter →