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

## 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