Free Angle Converter Tool

Convert between 6 supported units including Radian (rad), Degree (°), Minute (') with adjustable precision and a documented conversion methodology.

What this converter covers

Convert plane angles between radians, degrees, arcminutes, arcseconds, grads, and revolutions.

Worked example

180 Degree (°) = 3.141592654 Radian (rad)

Important unit notes

•A full revolution equals 2π radians, 360 degrees, or 400 grads.
•Arcminutes and arcseconds are angular units and are not units of time in this converter.

Conversion factors are maintained against documented standards and definitions. Some displayed decimals are rounded for readability.How accuracy is handled·Sources

Supported units

Radian (rad)

Degree (°)

Minute (')

Second (")

Grad

Circle/Revolution

About this converter

This tool converts through a consistent base-unit relationship defined for the angle converter. It is designed for quick everyday use while preserving more internal precision than is normally useful to display.

Read the conversion methodology →

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