Square Kilometer
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Area of a 1 km square
About Square Kilometer (km²)
Equal to one million square meters (100 hectares), the square kilometer is the standard unit for expressing the area of cities, countries, and geographic regions. Metropolitan Tokyo spans about 2,194 km-squared, and global deforestation rates are reported in square kilometers lost per year.
- Category
- Area
- Symbol
- km²
- Also known as
- square kilometre sq km km2
CONVERT TO
Frequently Asked Questions
What is a Square Kilometer (km²)?
Area of a 1 km square
How many Square Mile (mi²) are in one Square Kilometer (km²)?
One Square Kilometer (km²) equals 0.386102 Square Mile (mi²).
How many Square Meter (m²) are in one Square Kilometer (km²)?
One Square Kilometer (km²) equals 1,000,000 Square Meter (m²).
How many Square Centimeter (cm²) are in one Square Kilometer (km²)?
One Square Kilometer (km²) equals 10,000,000,000 Square Centimeter (cm²).
How do I convert Square Kilometer to Square Mile?
To convert Square Kilometer to Square Mile, multiply the value by 0.386102 (1 km² = 0.386102 mi²).