Geometry

Chord Length Calculator

Chord length from radius and central angle in degrees.

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). Other geometry tools are linked below.

Chord Length Calculator — how it works

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).

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