Acre to Square Kilometer Conversion (ac² to km²)

How Many Square Kilometer in a Acre?

There are 0.0040469 square kilometer in a acre.
1 Acre is equal to 0.0040469 Square Kilometer.
1 ac² = 0.0040469 km²

Acre to Square Kilometer Conversions

Acre Definition

Used widely in the US customary system and the Imperial system, an acre is a unit of area equal to 1/640 of a square mile, or 0.4047 of a hectare, or 43,560 square feet. To imagine what an acre is, one can imagine the area which is equal to approximately 3/4 of the common football field. This unit of area has the international symbol of ac.

Square Kilometer Definition

A square kilometer is a unit of surface area allowing measuring quite large areas. It is one of the base SI units used widely in all countries of the world to measure large territories like the ones of a country, a region, and so on. In order to understand what one square kilometer is one can imagine the area of the Jerusalem Old City or the area of Rio de Los Angeles State Park in California. This unit is equal to 100 hectares and has an internationally accepted symbol of km².

About ac² to km² Converter

This is a very easy to use acre to square kilometer converter. First of all just type the acre (ac²) value in the text field of the conversion form to start converting ac² to km², then select the decimals value and finally hit convert button if auto calculation didn't work. Square Kilometer value will be converted automatically as you type.

The decimals value is the number of digits to be calculated or rounded of the result of acre to square kilometer conversion.

You can also check the acre to square kilometer conversion chart below, or go back to acre to square kilometer converter to top.