Degrees to Radians Converter
Convert degrees to radians. π rad = 180°. Conversion table. Free online tool.
Convert Degree to Radian
0.017453293
1 ° = 0.017453293 rad
Angle Conversion FAQ
How many radians is 180 degrees?
180 degrees = π radians (approximately 3.14159 rad).
How do I convert degrees to radians?
Multiply degrees by π/180. For example, 90° × π/180 = π/2 rad.
What is 1 radian in degrees?
1 radian equals approximately 57.2958 degrees.
Why are radians used in math?
Radians provide a natural measure of angle based on the circle's radius, making many calculus formulas simpler.