# How to find square feet of a circle

## How do I calculate the square footage of a circle?

**How to find the square footage of a circle**

- Measure the diameter of your circle in feet.
- Divide your diameter by 2 and then square it (multiply it by itself).
- Multiply your total by π (3.14159265)

## How do you calculate area of a circle?

C = pi * d calculates the circumference (distance around the outside of the circle). D in the formula refers to the diameter which is the width of the circle. The formula for the area of a circle is

**A = pi * r * r where r is the radius (diameter / 2)**.## How do you figure square footage from diameter?

**Divide the diameter, measured in feet, by two to find the radius of the circle**. For example, if the circle’s diameter equals 4.5 feet, divide 4.5 by 2 to get 2.25 feet for the radius. Multiply the radius by the radius. Here, multiply 2.25 feet by 2.25 feet to get 5.0625 square feet.

## What size square fits in a circle?

The maximum square that fits into a circle is

**the square whose diagonal is also the circle’s diameter**. The length of a square’s diagonal, thanks to Pythagoras, is the side’s length multiplied by the square root of two. Set this equal to the circle’s diameter and you have the mathematical relationship you need.## How many square feet is a 15 foot circle?

The area of the circle is approximately

**706.5 square feet**.## How many circles fit in a circle formula?

Table of Solutions, 1 ≤ n ≤ 20

Number of unit circles | Enclosing circle radius | Density |
---|---|---|

1 | 1 | 1.0000 |

2 | 2 | 0.5000 |

3 | ≈ 2.154… | 0.6466… |

4 | ≈ 2.414… | 0.6864… |

## What is a diameter of a circle?

## How many square feet is a 8 foot circle?

π = 3.14; r = 8 ft. A = 3.14 x 8 ft. x 8 ft. =

**200.96 sq**.## What is the square footage of a 11 foot circle?

380.13 square feet

That distance across is the diameter, and half of that, or 11 feet, is the radius. So the calculation would be : (3.1416 x 11 x 11 =

**380.13 square feet**). Circumference of a circle: The circumference of a circle is the total distance around it, which is often a handy thing to be able to calculate.## How many square feet is a 14 foot diameter circle?

The area of the circle is

**154 square feet**.