Square km to Square Miles (km2 to mi2) Converter
1 km2 = 0.386102 square miles. Used for country areas, national parks and geographic regions.
Formula:1 km2 = 0.386102 mi2
Quick conversion table — Sq. kilometer to Sq. mile
0.5 km²0.193051 mi²
1 km²0.386102 mi²
2 km²0.772204 mi²
5 km²1.9305109 mi²
10 km²3.8610217 mi²
20 km²7.7220435 mi²
50 km²19.305109 mi²
100 km²38.610217 mi²
500 km²193.05109 mi²
1,000 km²386.10217 mi²
How to convert km2 to mi2
To convert square km to square miles, use the formula: 1 km2 = 0.386102 mi2. Simply enter the value you want to convert in the field above and the result appears instantly. You can also type in the result field to reverse the conversion.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000). Results are accurate to 8 significant figures.
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