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Math Calculators
Chord Length Calculator
Calculate the length of a circle's chord from its radius and the central angle it subtends, in the unit of your choice.
Chord length
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About the Chord Length Calculator
A chord is a straight line segment connecting two points on a circle. Its length depends on the circle's radius and the central angle between the two points. The radius and the chord length result each have their own unit selector, so you can mix units and the calculator converts automatically.
Formula: Chord Length = 2r × sin(θ/2)
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