Square Kilometer (km²) – Measuring Vast Land Areas

The square kilometer (km²) is a metric unit used to express very large areas. One square kilometer equals one million square meters, making it ideal for describing the size of cities, regions, and natural landscapes.

History & Background:As the metric system evolved, the square kilometer was introduced to measure extensive land areas. It is crucial in geography and environmental studies, where accurate large-scale measurements are necessary.

Applications:Square kilometers are used in mapping, urban planning, and assessing the scale of geographic features.

Conversion Table

UnitConversion FactorEquivalent of 1 km²
Square Kilometer (km²)1 km² = 1 km²1
Square Meter (m²)1 km² = 1,000,000 m²1,000,000
Square Foot (ft²)1 km² = 10,763,910 ft²10,763,910
Square Yard (yd²)1 km² = 1,195,990 yd²1,195,990
Square Mile1 km² ≈ 0.386102 square miles0.386102
Acre1 km² ≈ 247.105 acres247.105
Hectare1 km² = 100 hectares100
Square Inch (in²)1 km² ≈ 1.55 × 1012in²1.55e12

This comprehensive conversion table makes it easy to relate the scale of a square kilometer to smaller units for detailed analysis or large-scale planning.