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 …

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 …

Jul 23, 2025 · We define arc length as measuring the length of a slice of pizza crust. Arc length is calculated using the simple formula: Arc Length= r × θ where 'r' is the radius of the circle and …

Calculate the arc length of a circle from its radius and central angle. Supports degrees and radians.

Here you will learn about the arc length formula, including how to identify the arc of a circle (minor and major), form and use the arc length formula to calculate arc length, and calculate the arc …

To find the length of an arc along a circle of radius r, r, we can think of the arc as a portion of the circumference of the circle. Consider the following example. Find the length of an arc on a …

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)

Jan 1, 2026 · One way to measure arcs is in degrees. This is called the “ arc measure” or “degree measure” (see Arcs in Circles). Arcs can also be measured in length, as a portion of the …

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.