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Circle Circumference using Diameter Calculator

d

(radius)

units

Circumference (C)

units

CopyView Calculation

How to use this Circle Circumference using Diameter Calculator 🤔

1. Enter ✎ value for radius (d).
2. As soon as you enter the required input value(s), the Circle Circumference using Diameter is calculated immediately, and displaed in the output section (present under input section).

Formula

To calculate the circle circumference using diameter, you can use the following formula.

\(C = \) \(π d \)

where

Calculation

Once you enter the input values in the calculator, the output parameters are calculated.

Examples

The following examples cover how to calcualte the Circumference when radius is given.

1. What is the Circumference of Circle whose radius is 50 units?

Answer

Given:

• radius, d = 50 units

The formula to find the Circumference of a Circle is:

C = \(π d \)

Substitute given values in the above formula.

C = \(π \times50\)

C = 157.08 units

∴ Circumference, C = 157.08 units

2. What is the Circumference of Circle whose radius is 4 units?

Answer

Given:

• radius, d = 4 units

The formula to find the Circumference of a Circle is:

C = \(π d \)

Substitute given values in the above formula.

C = \(π \times4\)

C = 12.57 units

∴ Circumference, C = 12.57 units

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  "input_descriptions": [
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  "examples": [
    {
      "d": 50
    },
    {
      "d": 4
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  "type": "Calculate",
  "title": "Circle Circumference using Diameter",
  "category": "Geometry",
  "shape": "Circle",
  "formula_mathjax": "\\(π d \\)",
  "formula_mathjax_sub": "\\(π \\times d \\)",
  "formula": "Math.PI *  d ",
  "op_label": "Circumference",
  "output_unit": "units",
  "description": "The circumference calculator calculates the circumference of a circle by taking its diameter as input.",
  "explanation": "The circumference of a circle is the distance around the outer boundary or edge of the circle.",
  "examples_data": "<h2>Examples</h2><p>The following examples cover how to calcualte the Circumference when radius is given.</p><div class=\"example\"><h3 class=\"question\"><span class=\"example_n\">1.</span> What is the Circumference of Circle whose radius is 50 units?</h3><h4 class=\"answer\">Answer</h4><p>Given:</p><ul><li>radius, d = 50 units</ul><p>The formula to find the Circumference of a Circle is:</p><p class=\"tabspace\">C = \\(π d \\)</p><p>Substitute given values in the above formula.</p><p class=\"tabspace\">C = \\(π \\times50\\)</p><p class=\"tabspace\">C = 157.08 units</p><p class=\"tabspace answer\">∴ Circumference, C = 157.08 units</p></div><div class=\"example\"><h3 class=\"question\"><span class=\"example_n\">2.</span> What is the Circumference of Circle whose radius is 4 units?</h3><h4 class=\"answer\">Answer</h4><p>Given:</p><ul><li>radius, d = 4 units</ul><p>The formula to find the Circumference of a Circle is:</p><p class=\"tabspace\">C = \\(π d \\)</p><p>Substitute given values in the above formula.</p><p class=\"tabspace\">C = \\(π \\times4\\)</p><p class=\"tabspace\">C = 12.57 units</p><p class=\"tabspace answer\">∴ Circumference, C = 12.57 units</p></div>",
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