Angle Converter
Convert angles between degrees, radians, gradians, arcminutes, arcseconds and full turns.
Result
0 Degrees =
0 Radians
- Degrees
- 0
- Gradians
- 0
- Arcminutes
- 0
- Arcseconds
- 0
- Turns
- 0
A full circle is 360°, 2π radians, 400 gradians or 1 turn. So 90° = π/2 ≈ 1.5708 radians.
Enter an angle, choose the unit you have and the unit you want. The result and the same angle in every other unit update as you type.
Frequently asked questions
How do I convert degrees to radians?
Multiply the angle in degrees by π/180. For example, 90° × π/180 = π/2 ≈ 1.5708 radians.