Square Kilometers to Square Miles Converter
Convert square kilometers to square miles instantly. Calculate area conversions for land, maps, geography, and real estate projects with precision.
Step 1: Enter Area in Square Kilometers
About Square Kilometers
Square kilometer (km²) is a metric unit of area equal to 1,000,000 square meters. Commonly used for measuring large areas like countries, cities, and lakes.
Step 2: Conversion Details
About Square Miles
Square mile (mi²) is an imperial unit of area equal to 640 acres or approximately 2.59 square kilometers. Commonly used in the United States and UK for measuring large land areas.
Area Conversion Results
Converted Area
Conversion Formula & Calculation
Mathematical Explanation
1 square kilometer = 1,000,000 square meters. 1 square mile = 2,589,988.11 square meters. Therefore, 1 km² = 1,000,000 / 2,589,988.11 ≈ 0.386102 square miles.
Real-World Area Comparisons
Common Area Equivalents
100 km² is approximately equal to:
• The area of Paris, France (105 km²)
• About 1.5 times the size of Manhattan (59 km²)
• Slightly larger than Disney World (101 km²)
• About 40% the size of Philadelphia (349 km²)
Need Professional Land Survey or Mapping Services?
Connect with our geography and cartography experts for accurate land measurements, property mapping, and professional area calculations for your projects.
Get Professional Survey Services