Contents

- 1 What is the diameter of a 21 foot round pool?
- 2 What is the radius of a 21 foot circle?
- 3 What is the circumference of a circle with diameter of 21?
- 4 How big is a 21 foot pool?
- 5 What is the circumference of a 27 foot round pool?
- 6 What is the area of 20 feet?
- 7 What is the circumference of a 20 foot circle?
- 8 How big is 21 inches round?
- 9 What is the radius of diameter 21 cm?
- 10 How much does a 21 foot round pool cost?

## What is the diameter of a 21 foot round pool?

Approximate inside (water) dimensions – 21′ Diameter. Approximate outside dimensions (space required) – 22′ Diameter.

## What is the radius of a 21 foot circle?

What is the area of a circle with a DIAMETER of 21 feet (radius of 10.5 feet)? How big is a 21 foot circle?…Area of a 21 Foot Circle.

346.36 | square feet |
---|---|

38.485 | square yards |

0.0079513 | acres |

32.178 | square meters |

321,780 | square centimeters |

## What is the circumference of a circle with diameter of 21?

65.97 cm exactly or limited to de precision of this calculator (13 decimal places).

## How big is a 21 foot pool?

A 21 foot above ground pool will comfortably fit 4-5 average size adults to swim, float and play….21′ Round Above Ground Pools.

Approx. U.S. Gallons | Yards of Sand | |
---|---|---|

21′ Round with 54″ Wall | 10,307 | 2-1/2 – 3 |

## What is the circumference of a 27 foot round pool?

Diameter of a Circle

Diameter | ft | in |
---|---|---|

27′0″ | 84.82 | 1,018 |

27′1″ | 85.08 | 1,021 |

27′2″ | 85.35 | 1,024 |

27′3″ | 85.61 | 1,027 |

## What is the area of 20 feet?

Examples for Calculating Square Footage The square footage of a room 20 feet wide and 20 feet long is 400 square feet. The square footage is found by multiplying the width (20 ft) by the length (20 ft).

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

Diameter of a Circle

Diameter | ft | m |
---|---|---|

20′0″ | 62.83 | 19.15 |

20′1″ | 63.09 | 19.23 |

20′2″ | 63.36 | 19.31 |

20′3″ | 63.62 | 19.39 |

## How big is 21 inches round?

2.40556 square feet (ft²)

## What is the radius of diameter 21 cm?

A circle of radius = 10.5 or diameter = 21 or circumference = 65.97 cm has an area of: 3.464 × 10-8 square kilometers (km²) 0.03464 square meters (m²) 346.4 square centimeters (cm²)

## How much does a 21 foot round pool cost?

Above Ground Pool Sizes and Prices

Size | 48” Wall | 54” Wall |
---|---|---|

18′ Round | $1,420 – $1,650 | $1,580 – $2,200 |

21′ Round | $1,670 – $1,990 | $1,720 – $2,400 |

24′ Round | $1,610 – $1,940 | $1,840 – $2,500 |

27′ Round | $1,900 – $2,300 | $2,100 – $2,800 |