Geometry

Chord Length Calculator

Chord length from radius and central angle in degrees.

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Chord length

This free Chord Length Calculator covers Chord length from radius and central angle in degrees.

The chord subtended by θ is 2 r sin(θ/2). Related geometry tools sit beside How it works, with no account required.

Using the Chord Length Calculator

Chord length from radius and central angle in degrees. Typical inputs are Radius r and Central angle (°). How it works beside the form states the identity the Chord Length Calculator applies.

FAQ

How do I use the Chord Length Calculator?

Open the Chord Length Calculator, fill Radius r and Central angle (°), and read the result. The chord subtended by θ is 2 r sin(θ/2).

What formula does the Chord Length Calculator use?

The Chord Length Calculator uses the identity in How it works. In words: The chord subtended by θ is 2 r sin(θ/2).