Arc of a circle is a portion of its circumference. Thus, the arc length of a circle is a fraction of its circumference. If θ degrees is the central angle made by an arc of a circle, then the arc length …

This article explains the arc length formula in detail and provides you with step-by-step instructions on how to find the arc length. You will also learn the equation for sector area.

Oct 13, 2025 · Arc length is the distance between one endpoint of an arc on a circle to the other. In this article, we’ll tell you what formulas you need and how to use them to find a circle's arc …

The arc length formula is used to calculate the length of the curved segment, called an arc, along the circumference of a circle or curve. The arc length is a portion of the circumference of the …

Jul 23, 2025 · Arc length is the distance along the curved path of a circle or any part of its circumference. We define arc length as measuring the length of a slice of pizza crust. Arc …

Part of the circumference of a circle. Or part of any curve. See an arc in action (drag the points): The arc length is: L = θ × r (when θ is in radians) L = θ × π 180 × r (when θ is in degrees)

4 days ago · Calculate arc length using radius and angle in radians or degrees. Learn formulas, examples, and real-world uses for accurate circular measurements.

In this comprehensive guide, we’ll walk you through how to use this calculator, explain the arc length formula, provide examples, and answer common questions about arc length calculations.

Definition of arc length and formula to calculate it from the radius and central angle of the arc.

The formula L = θ 360 × 2 π r calculates the arc length by taking a fraction of the circumference based on the angle in degrees. This formula is commonly used when the radius and central …