Degrees to Radians Calculator
Convert degrees to radians, reduce the exact π fraction and see a decimal radian approximation with calculation steps.
Convert degrees to exact radians in terms of pi
Enter an angle in degrees to get both its exact radian value as a reduced multiple of π and its decimal approximation.
The steps show the π/180 conversion factor and the reduced coefficient.
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Quick reference
Radians = degrees × π / 180.A full turn is 360° = 2π radians.A straight angle is 180° = π radians.
FAQ
How do I convert degrees to radians?
Multiply the degree value by π/180 and reduce the numerical fraction.
What is 45 degrees in radians?
45° = π/4 radians, approximately 0.785398.
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