Calculate & Convert

Angle Converter

Convert between degrees, radians, gradians, arcminutes and turns.

Enter values

The formula

result = value × (factorₓ / factorᵧ)

Degrees split a circle into 360 parts, a choice inherited from Babylonian astronomy. Radians instead measure arc length against radius, which is why calculus and physics prefer them: a full turn is 2π, and the formulas come out cleaner.

All calculations run locally in your browser and update instantly as you type.

Example calculations

Common questions this calculator answers — select one to load its values.

Related calculators

Frequently asked questions

How many degrees in a radian?+
One radian equals about 57.2958 degrees (180/π).
All calculations run locally in your browser. Nothing you type is sent to a server.