Angle Converter
Convert angles between degrees, radians, gradians, and turns.
Angle Converter
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What This Converter Does
An angle measures an amount of turn. The units just slice a full turn differently: one complete revolution is 360 degrees, or 2π radians, or 400 gradians - all the same spin, counted on different scales.
Convert an angle between degrees, radians, gradians, and turns (full revolutions).
How to Use It
- Enter the value.
- Choose the unit to convert from and to.
- Read the converted angle.
Worked Examples
| From | To | Result |
|---|---|---|
| 180 degrees | radians | 3.141593 |
| 90 degrees | radians | 1.570796 |
| 1 turn | degrees | 360 |
| 200 gradians | degrees | 180 |
FAQ
How do you convert degrees to radians?
Multiply by π/180. So 180° = π radians ≈ 3.14159, and 90° ≈ 1.5708 radians.
What is a gradian?
A gradian splits a right angle into 100 parts, so a full turn is 400 gradians (90° = 100 gradians).