# How do I calculate the diameter from the circumference?

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?

## 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?

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.

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