Radius of Circle given Diameter Calculator

Calculate Radius of Circle given Diameter



Formula

The formula to calculate the Radius of a Circle given Diameter is:

\[ r = \frac{D}{2} \]

Where:

Definition

The Radius of a Circle is the length of any line segment joining the center and any point on the Circle.

The Diameter of a Circle is the length of the chord passing through the center of the Circle.

How to calculate the Radius of a Circle given Diameter

Let's assume the following value:

Using the formula:

\[ r = \frac{10}{2} \]

Evaluating:

\[ r = \frac{10}{2} \]

The Radius of the Circle is 5 Meter.

Radius of Circle given Diameter Conversion Chart

Diameter of Circle (Meter) Radius of Circle (Meter)
8 4.000000000000000
9 4.500000000000000
10 5.000000000000000
11 5.500000000000000
12 6.000000000000000