# Radius Calculator

**Radius** is defined as the distance between the center of the circle to any point on its boundary.

## What is Radius Calculator?

'Cuemath's Radius Calculator' is an online tool that helps to calculate the radius for a given diameter. Cuemath's online Radius Calculator helps you to calculate the radius for a given diameter in a few seconds.

## How to Use Radius Calculator?

Please follow the below steps to calculate the radius for a given diameter:

**Step 1:**Enter the diameter in the given input boxes.**Step 2:**Click on the**"Calculate"**button to calculate the radius.**Step 3:**Click on the**"Reset"**button to clear the field and enter the new values.

## How to Find Radius Calculator?

Radius can also be defined as the length of the line segment from the center of a circle to a point on the circumference of the circle. The length of the radius is equal to half the length of the diameter.

**Radius = Diameter / 2**

**Solved Example:**

Find radius if the diameter is 7 units.

**Solution:**

Given diameter = 7 units

We know that radius = diameter / 2

= (7 / 2) units

= 3.5 units

Therefore, radius = 3.5 units.

Similarly, you can use the calculator to find the radius for the following:

- Diameter = 10 units
- Diameter = 15 units

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