Converters

Degrees to Radians

A degrees to radians converter switches angle measures from degrees into radians. Enter an angle in degrees to get radians using the factor π/180.

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Degrees into radians

Radians are the natural angle unit in mathematics. Because 180° equals π radians, multiplying a degree value by π/180 converts it cleanly into radians.

The conversion factor

Multiply degrees by π/180. The converter keeps π symbolic where useful (so 60° → π/3) and offers the decimal form alongside it.

Frequently asked questions

1

How do I convert degrees to radians?

Multiply degrees by π/180. For example, 90° becomes π/2 radians and 180° becomes π radians.

2

Why convert degrees to radians?

Degrees are simpler for everyday angles, while radians are the natural unit for calculus and higher math because they make formulas for derivatives and arc length cleaner.

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