What is a Square Kilometer (km²)?
A square kilometer (km²) is a unit of area equal to a square with sides of one kilometer, or 1,000,000 square meters.
Definition
Symbol
km²
Category
Area
System
Metric
1 {unit} = {value} {otherUnit}
1 Square Kilometer = 1000000000000 Square Millimeter (mm²)
1 Square Kilometer = 10000000000 Square Centimeter (cm²)
1 Square Kilometer = 1000000 Square Meter (m²)
1 Square Kilometer = 1550000000 Square Inch (in²)
1 Square Kilometer = 10763900 Square Foot (ft²)
Common Uses
- City area
- Country size
- Forest coverage