Arc Length Calculator

Have you ever needed to find the length of an arc but weren't sure how to calculate it? Look no further than our Arc Length Calculator! This handy tool allows you to easily input the necessary information, such as the angle and radius, and quickly calculate the arc length for any given curve. Whether you're a student studying geometry or a professional in a math-related field, our Arc Length Calculator is sure to make your calculations easier and more accurate. So why spend time struggling with manual calculations when you can use our efficient and user-friendly calculator? Try it out today and see for yourself!

Arc Length Calculator

Find the length of an arc of a circle using the angle and radius.

Arc Length Calculator Results
Result UnitCentimeters
Arc Length0

Calculating 'arc length' can be crucial in various scenarios, especially when dealing with elasticity calculations. If you're working with elasticity and need to compute the arc length of a curve, consider using our Arc Elasticity Calculator. It complements our 'Arc Elasticity Calculator', making it easier to work with curved shapes and elasticity concepts.

How to Use the Arc Length Calculator

The Arc Length Calculator is a helpful tool for finding the length of an arc in a circle based on the given angle and radius. This calculator is particularly useful in geometry and trigonometry, allowing you to determine the length of an arc accurately.

The primary applications of the Arc Length Calculator include:

  • Geometry and trigonometry problems involving arcs and circles
  • Calculating distances along curved paths or circular sections
  • Architectural and engineering projects that require precise measurements

Instructions for Utilizing the Calculator

To utilize the Arc Length Calculator, follow these steps:

  1. Fill in the required input fields:
    • Radius: Enter the radius of the circle for which you want to calculate the arc length.
    • Angle: Provide the angle of the arc in degrees. The angle should be less than or equal to 360 degrees.

It is important to provide accurate input values to obtain correct results.

  1. Choose the result unit:
    • Select the desired unit for the arc length result from the dropdown menu.
    • Available options include Centimeters, Meters, Inches, and Feet.
  2. Interpret the output fields:
    • Radius: Displays the radius value you entered.
    • Angle: Shows the angle value you entered.
    • Result Unit: Indicates the selected unit for the arc length result.
    • Arc Length: Provides the calculated length of the arc in the chosen unit.

The arc length represents the distance along the curved path of the arc.

Arc Length Calculator Formula

The formula for calculating the arc length is as follows:

Arc Length = (Angle / 360) * (2 * π * Radius)

The arc length formula calculates the length of an arc by multiplying the ratio of the given angle to 360 degrees by the circumference of the circle. The circumference is determined by multiplying the radius by 2π (pi).

Illustrative Example

Let's consider an example to illustrate the usage of the Arc Length Calculator.

Suppose we have a circle with a radius of 5 units, and we want to find the length of an arc corresponding to an angle of 45 degrees.

Using the Arc Length Calculator, we can calculate the arc length as follows:

Arc Length = (45 / 360) * (2 * π * 5)

After evaluating this expression, we find that the arc length is approximately 3.93 units.

Illustrative Table Example

The following table demonstrates the Arc Length Calculator using multiple rows of example data:



Result Unit

Arc Length

545Centimeters3.93 cm
8120Meters8.38 m
360Inches3.14 in
1090Feet15.71 ft

The Arc Length Calculator is a valuable tool for accurately determining the length of an arc in a circle. By utilizing this calculator, you can solve geometry and trigonometry problems with ease, measure distances along curved paths, and tackle architectural and engineering projects that involve circular sections. Understanding arc lengths is essential for precise calculations and ensuring accurate results in various fields of study and professional applications.

About the Author

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Aariz Ahmed

Aariz Ahmed is a Physiologist with a passion for understanding how the human body functions. With a strong background in biology and a focus on human physiology, he is dedicated to promoting health and wellness through scientific research. Aariz has a keen interest in exploring the intersection of health and technology, and how data can be used to improve our understanding of the human body. His expertise in physiology has contributed to the development of numerous health and wellness programs, and he is a recognized expert in his field.