Angles describe rotation, bearings, and trigonometry arguments. Degrees are everyday-friendly, radians are standard in calculus and physics, gradians divide the right angle into 100 units, and arcminutes refine geographic coordinates.
About Angle Converter
Angles describe rotation, bearings, and trigonometry arguments. Degrees are everyday-friendly, radians are standard in calculus and physics, gradians divide the right angle into 100 units, and arcminutes refine geographic coordinates.
CalculatorCamp angle converter moves between these representations so you can match calculator modes, GIS data, and textbook formulas.
Always confirm whether your software expects radians for trig functions—using degrees by mistake is a common source of wrong answers.
How to use this tool
Input the angle measure, pick its current unit, and choose the target unit. Click Calculate to see the converted angle.
Formula & methodology
This angle converter (deg, rad, grad) applies the standard relationship below. Intermediate values are kept at full precision; only the displayed result is rounded.
180 deg = pi rad; 200 grad = pi rad; 1 deg = 60 arcmin
Tips for accurate results
Set graphing calculators to DEG or RAD before entering values.
GPS decimal degrees differ from degrees-minutes-seconds; convert format first if needed.
Negative angles represent clockwise rotation in many conventions.
Gradians are rare in US curricula but appear in some surveying tools.
Frequently asked questions
How do I convert degrees to radians?
Multiply degrees by pi/180, or use this tool with deg to rad selected.
What are gradians?
A unit where 100 gradians equal a right angle (90 degrees).
Are arcminutes the same as time minutes?
No. Arcminutes measure angle; time minutes measure duration.
Free?
Yes.
Sources & references
The factors and formulas used by this tool follow these references: