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Circles to Radians

Common Angles Table

Extended Calculations Table For Circles and Radians Conversions

Frequently Asked Questions

How do you convert circles to radians?

To convert circles to radians, multiply the number of circles by 2π (since 1 circle is equal to 2π radians). For example, if you have 0.15915 circles, you multiply by 2π to get approximately 1 radian.

What is a radian?

A radian is a unit of angle measurement equal to the angle at the center of a circle whose arc length is equal to the radius.