Angle Converter
Free online angle converter for instant angle conversions.
Perfect for mathematics, engineering, navigation, and scientific applications.
Features bidirectional conversion.
Last updated · How we build & check our tools
Frequently Asked Questions
Common questions about the Angle Converter
This converter supports degrees, radians, gradians, arcminutes, arcseconds, turns, and military mils.
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Sources & References
International System of Units (SI): plane angle
Plane angle is measured in the radian (rad); 1° = π/180 rad. Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
International System of Units (SI)
Authoritative definitions for plane angle, from the BIPM SI Brochure (9th edition), the defining reference for the SI.