Angle Unit Converter — Free Online Tool

Convert degrees, radians, gradians, arcminutes, arcseconds and turns for geometry, trigonometry and navigation.. Angle Unit Converter is a free online tool from the ToolsRift Special Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

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How to use Angle Unit Converter

Enter an angle in any field. It converts to radians using the unit factor, then redistributes to every other angular unit live.

Frequently asked questions

How many radians is 180 degrees?

180° equals π radians, so 1 radian ≈ 57.2958°.

What is the base unit?

The radian is the SI base for angles; degrees, gradians and turns convert through it.

How do arcminutes and arcseconds work?

1° = 60 arcminutes and 1 arcminute = 60 arcseconds, so 1° = 3600 arcseconds.

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