Angle Converter
Convert between degrees, radians, gradians, turns, arcminutes and arcseconds with visual angle indicator
Visual Angle
90.0deg
All Conversions
degrees
90.0000
radians
1.5708
gradians
100.0000
turns
0.2500
arcmin
5400.00
arcsec
324000.00
Common Angles
Right angle
90deg
1.5708 rad
Straight line
180deg
3.1416 rad
Full circle
360deg
6.2832 rad
Full turn
360deg
6.2832 rad
Half turn
180deg
3.1416 rad
Quarter turn
90deg
1.5708 rad
Angle Units
- Degrees: 360 per full circle (most common)
- Radians: ~6.28 per full circle (mathematics, physics)
- Gradians: 400 per full circle (surveying, some engineering)
- Turns: 1 = full rotation
- Arcmin/Arcsec: for precise angles (astronomy, surveying)
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