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Angle Converter

Convert angle between degrees, radians, and turns.

Angle result

0.0174532925199 Radian (rad)

What Is a Angle Converter?

The Angle Converter converts angles between degrees, radians, gradians, turns, arcminutes, and arcseconds. Trigonometry, surveying, navigation, and engineering all switch between angle systems — this tool converts instantly and precisely. This free online converter is also useful when you are searching for angle, degrees, radians, gradians, turns. It is designed to give a clear result quickly, without requiring a separate desktop application or manual conversion formula. Common use cases include trigonometry, surveying, navigation, astronomy and programming. For important technical, engineering, financial, medical, or production decisions, always confirm the applicable standard and precision requirements.

How to Use This Angle Converter

  1. 1
    Enter the angle from your formula, drawing, navigation data, or measurement.
  2. 2
    Select degrees, radians, gradians, turns, or another source unit.
  3. 3
    Choose the angular unit required by your calculation.
  4. 4
    Review the converted angle with the intended precision.
  5. 5
    Copy the result.

Frequently Asked Questions

180 degrees equals π radians (about 3.14159 radians).
A turn is one full 360° rotation. Degrees, radians, and gradians are different ways to divide that same turn.
They measure tiny angles, especially in astronomy, optics, and surveying. One degree equals 60 arcminutes.
90 degrees equals π/2 radians, approximately 1.5708 radians.

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