Square Kilometer to Square Millimeter Conversion (km² to mm²)

How Many Square Millimeter in a Square Kilometer?

There are 1000000000000 square millimeter in a square kilometer.
1 Square Kilometer is equal to 1000000000000 Square Millimeter.
1 km² = 1000000000000 mm²

Square Kilometer to Square Millimeter Conversions

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.

Square Millimeter Definition

A square millimeter is a unit of area used for measuring very small areas. The unit is used as a part of SI measurement system and has a symbol of mm². One square millimeter is the area that equals to 1/100^th of a square centimeter (or 0.01 cm²) or equals to 1/1000000^th of a square meter (1.0 x 10^-6 m²).

About km² to mm² Converter

This is a very easy to use square kilometer to square millimeter converter. First of all just type the square kilometer (km²) value in the text field of the conversion form to start converting km² to mm², then select the decimals value and finally hit convert button if auto calculation didn't work. Square Millimeter 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 square kilometer to square millimeter conversion.

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