## How do I calculate the diameter from the circumference?

2 x radius

Circle/Diameter

## What is the diameter of a 20cm circumference?

Circles (basic)

Diameter | Circumference(approx) | Circumference |
---|---|---|

20 cm | 60 cm | 62.8cm |

40 cm | 120 cm | 125.6cm |

3m | 9m | 9.42m |

5 cm | 15.7 cm | 15.7cm |

**What is the diameter of an 18 circumference?**

Since the circle circumference is 18, for you to get the diameter of circle just devide 18 by pi and your answer will be 5.73 to 3 significant figure. The formula is 2rπ for circumference where 2r is the diameter.

**What is the diameter of the circumference is 12 cm?**

So, if d=12 cm, r=12(12)=122=6 cm.

### What is the circumference of a 20 foot diameter circle?

The circumference of a circle is 20 feet. What is the diameter? c≈15.708 ft. c≈15.708 ft.

### How do I figure out diameter?

The formula to find the diameter states the relationship between the diameter and the radius. The diameter is made up of two segments that are each a radius. Therefore, the formula is: Diameter = 2 * the measurement of the radius. You can abbreviate this formula as d=2r.

**What is the circumference of 10cm?**

Answer. We know that C = πd. Since the diameter is 10cm, we know that C = π x 10cm = 31.42cm (to 2 decimal places).

**What is the circumference of 18 cm?**

2 Answers. The answer is 56.57 .

## What is the radius and diameter of 18 cm?

Since diameter is the distance across the center of a circle, and radius is the distance from the center of the circle to the outer edge, radius is half the diameter. Therefore, if the diameter is 18cm the radius is 9 cm.

## What is the circumference of 10 cm?

about 62.8 cm

The circumference of the circle is 20π cm or about 62.8 cm.

**How to calculate diameter of a circle from circumference?**

This tool will calculate the diameter of a circle from the circumference, and will convert different measurement units for circumference and diameter. Formula. The formula used to calculate the circle diameter is: ø = C / π. Symbols. ø = Circle diameter; C = Circle circumference; π = Pi = 3.14159… Circumference of Circle. Enter the

**How far around is a circle that is 19 inches across?**

How far around is a circle that is 19 inches across? Circumference of a Circle Formula The circumference of a circle is pi times its diameter. Circumference = π * Diameter

### What are the units of circumference?

Since a circle’s circumference is the linear distance of the circle’s edge, it describes a length. Therefore, the most common units of a circle’s circumference are millimeter, centimeter, meter for the metric system, and inch, feet, and yard for the imperial system.

### What is the radius of a circle with a 10 cm circumference?

And there you go, the radius of a circle with a circumference of 10 centimeters is 1.59 centimeters. What is the unit of the circumference of a circle? Since a circle’s circumference is the linear distance of the circle’s edge, it describes a length.