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UNIT CONVERTERS

Angle Converter 📐

Convert degrees, radians and gradians for geometry and engineering.

Degrees ↔ radiansGradiansInstant results

This free angle converter helps you convert popular units like degrees to radians, radians to degrees, degrees to gradians and gradians to radians in seconds. It supports degrees, radians and gradians, making it useful for math, geometry, engineering and everyday angle conversions.

Free • Private • Runs in your browser
Ctrl / Cmd + Enter = Convert

Angle Converter FAQ

What units does this angle converter support?

This angle converter supports degrees, radians and gradians. You can convert in any direction, such as degrees to radians , radians to degrees , degrees to gradians and gradians to radians .

How do I convert degrees to radians?

To convert degrees to radians , multiply degrees by π / 180 . This tool calculates it instantly and also works for gradians.

How do I convert radians to degrees?

To convert radians to degrees , multiply radians by 180 / π . You can also use the Swap button to reverse the conversion direction instantly.

What are gradians?

Gradians divide a full circle into 400 parts instead of 360 degrees. They are less common than degrees and radians, but still used in some technical and surveying contexts.

How many radians make a full circle?

A full turn is 2π radians, which equals 360 degrees. A half turn is π radians, or 180 degrees.

What is the difference between gradians and degrees?

A full circle contains 400 gradians (also called gon) but 360 degrees. Therefore, 100 gradians equals 90 degrees, a right angle.