What is an Angle Converter?

An Angle Converter changes angle values from one unit to another, such as degrees to radians or radians to degrees.

How many degrees are in one radian?

One radian equals approximately 57.2958 degrees.

Is this Angle Converter free?

Yes. This online Angle Converter is free to use and works directly in your browser.

Angle Converter - Convert Degrees Radians Gradians Online Free | The MuffinPost

Free Unit Converter

Angle Converter

Convert angle units instantly. Switch between degrees, radians, gradians, turns, arcminutes, arcseconds, mils and more.

Convert Angle

Value Type any angle value to convert it instantly.

From unit Choose the original angle unit.

To unit Choose the unit you want to convert to.

Quick References 1 turn = 360°
180° = π radians
1 rad = 57.2958°
1° = 60 arcminutes = 3,600 arcseconds

Result

3.14159 rad 180 degrees equals 3.14159 radians

180Degrees

3.14159Radians

200Gradians

0.5Turns

10,800Arcminutes

648,000Arcseconds

Angle Preview

Angle shown on a 360° circle.

Popular Conversions

How to Use the Angle Converter

Convert angle units in three simple steps.

1. Enter angle

Type the angle value you want to convert.

2. Choose units

Select the original angle unit and the target unit.

3. View result

See the converted value and common angle equivalents instantly.

Fast angle conversion for math, geometry and engineering.

This Angle Converter helps students, developers, engineers, designers and builders convert angle units quickly for geometry, trigonometry, maps, rotation, surveying and technical work.

✅ Convert degrees, radians and gradians

✅ Supports turns, arcminutes and arcseconds

✅ Includes visual angle preview

✅ Works directly in your browser

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Angle Converter FAQ

Common questions about converting angle units.

How do I convert degrees to radians?

Multiply degrees by π/180. For example, 180 degrees equals π radians.

How do I convert radians to degrees?

Multiply radians by 180/π. For example, π radians equals 180 degrees.

How many degrees are in one turn?

One full turn equals 360 degrees.

Does this converter use a backend?

No. All angle conversions run directly in your browser with HTML, CSS and JavaScript.