Chord Length Calculator


Use our online chord length calculator to find the chord length of a circle instantly.

This can be done when you know the circle radius (r) and the perpendicular distance from center of the circle to the chord (t).

Chord length


The formula to calculate the chord length is given by:

Chord length Formula


In the below chord length calculator, enter the radius of the circle and perpendicular distance from center of the circle to the chord into the input boxes and click calculate to find the chord length.


Circle Radius (r):
Perpendicular Distance from Center to Chord (t):
Chord Length (c):






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