With this converter you can calculate the side length of a square or the diameter of a circle from the size of an area. Calculations vice versa are also possible. Input and output are possible in various metric and non-metric units.

Similar calculations | |
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Area | Various units for areas |

Length | Various units for lengths |

Square/Cube | Lengths, areas and volume of squares and cubes |

Rectangle | The measures of a rectangle |

Circle/Sphere | Lengths, areas and volume of circles and spheres |

Volume (Cube/Sphere) | Units of volume and measures of cubes and spheres |

**Usage:**
Always choose the correct unit in the corresponding pull-down-menu before you type a value.
Type the size of an area, the side length of a square, or the diameter of a circle
into the corresponding field.
After a mouseclick on any free space of the window or on the "calculate"
button you may read the result.
By the help of the pull-down menus you can show the results in other units.

For another calculation you just have to type the new value.
Or you click on the "reset" button before.

**Example:** How much is 1 acre (U.S. survey) in SI-units?
Choose the unit "acre" in the pull-down menu for area units.
Then type the value "1" into the corresponding field.
After a mouseclick on any free space of the window or on the "calculate" button
the calculation is performed.
By choosing "m²" as area unit, you may read that
1 arce corresponds to an area of 4046.9 m². This could be the area of a
square with a side length of 63.615 m or of a circle with a diameter of 71.782 m.

**Remarks:**

- Please note the remarks about the
representation of numbers..

- There is no warranty for the calculation. Cactus2000 is not
responsible for damage of any kind caused by wrong results.

- Please send an email if you have suggestions or if you would like to see more
conversions to be included.

© Bernd Krüger, 18.09.2008, 31.07.2022

Bernd Krüger, 2022

Cactus2000