Angle Converter
Convert between degrees, radians, gradians, arcminutes, arcseconds and turns.
Degrees dominate everyday geometry, radians rule calculus and programming math libraries, and gradians still appear in surveying — with arcminutes and arcseconds covering fine angular measurement in astronomy and optics. Switching between them by hand invites small errors, especially with radians where π keeps the numbers irrational.
This converter translates any angle between degrees, radians, gradians, arcminutes, arcseconds and full turns. Whether you're feeding radians into Math.sin(), reading a star chart in arcseconds, or checking a surveying bearing in gons, enter the value once and read off every equivalent instantly.
How to use Angle Converter
- 1
Enter the angle value
Type the number you want to convert.
- 2
Choose the source unit
Degrees, radians, gradians, arcminutes, arcseconds or turns.
- 3
Choose the target unit
The converted angle appears instantly.
Features
- Six angular units including radians and gradians
- High-precision conversion using exact π-based factors
- Instant results while typing
Frequently asked questions
Common mistakes to avoid
- Passing degrees into programming trig functions that expect radians (Math.sin, Math.cos).
- Confusing arcminutes (1/60 of a degree) with minutes of time.
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