Arc Length Calculator

Enter the radius and central angle to find the arc length. Choose between degrees and radians for the angle input. Formula: L = r x theta (radians).

Inputs

Radius

Central Angle

Angle Unit

Results

Arc Length

15.707963

Angle (degrees)

90°

Angle (radians)

1.570796 rad

Full Circumference

62.831853

Fraction of Circle

25%

Frequently Asked Questions

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