Square Kilometer (km²)
Definition: A square kilometer (km²) is a metric unit of area equal to a square with sides of one kilometer.
History: Adopted with the metric system, it replaced traditional units like square miles in many countries for land measurement.
Current Use: Used in geography, land surveying, and environmental studies to measure large land areas.
Square Mile (mi²)
Definition: A square mile (mi²) is an imperial unit of area equal to a square with sides of one mile.
History: Historically used in land surveying and property measurement in English-speaking countries.
Current Use: Commonly used to measure large geographical areas such as cities and national parks.
Quick Conversion Table Square Kilometer (km²) to Square Mile (mi²)
1 Square Kilometer (km²) equal to 0.386102159 Square Mile (mi²)
5 Square Kilometer (km²) equal to 1.9305108 Square Mile (mi²)
10 Square Kilometer (km²) equal to 3.8610216 Square Mile (mi²)
20 Square Kilometer (km²) equal to 7.7220432 Square Mile (mi²)
30 Square Kilometer (km²) equal to 11.5830648 Square Mile (mi²)
50 Square Kilometer (km²) equal to 19.3051079 Square Mile (mi²)
75 Square Kilometer (km²) equal to 28.9576619 Square Mile (mi²)
100 Square Kilometer (km²) equal to 38.6102159 Square Mile (mi²)