Angle converter & trigonometry
Convert degrees, radians, gradians and turns, with sine, cosine, tangent and angle from a tangent.
°
rad
mrad
gon
turn
′
″
Sine
1
Cosine
0
Tangent
∞
Slope
∞
Angle from a tangent
- Angle
- 45°
- Angle
- 0.785398rad
A full circle is 360° = 2π rad = 400 gon. A 100 % slope is 45°.
How it works
Radians measure an angle by the arc length on a unit circle, so a full turn is 2π. The tangent of an angle is the slope: rise divided by run.
Formulas
- rad = ° · π / 180
- gon = ° · 10 / 9
- α = arctan( rise / run )
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