Arc Length, Chord and Area of a sector - Geometry Calculator

An easy to use online calculator to calculate the arc length S , the length of the Chord and area A of a sector given its radius and its central angle t.

formulas for arc length and area of cone
In the above formulas t is in radians. In this calculator you may enter the angle in degrees, or radians or both.

How to use the calculator

Enter the radius and central angle in DEGREES, RADIANS or both as positive real numbers and press "calculate". The outputs are the arclength , area and the length of the chord.

radius =
angle in radians =
angle in degrees =

for angle in radians
arclength =

area = chord =

for angle in degrees
arclength =

area = chord =
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