Square kilometer to Square mile Converter
Type a value — the answer appears instantly. 1 km² = 0.3861022 mi².
შემოწმებულია OmniCalc-ის გუნდის მიერმეთოდი დამოწმებულია 2026-07-01
0.3861022 square miles
= 1,000,000 m²= 10,763,900 ft²
equals 0.3861022 square milesFormula: mi² = km² × 0.38610216
Square kilometer to Square mile formula
mi² = km² × 0.38610216
Convert 5 square kilometers to square miles
- Start with 5 square kilometers.
- Multiply by the conversion factor: 5 × 0.386102 = 1.930511.
- So 5 km² = 1.930511 mi².
Square kilometer to Square mile conversion table
| Square kilometers (km²) | Square miles (mi²) |
|---|---|
| 0.01 km² | 0.003861022 mi² |
| 0.1 km² | 0.03861022 mi² |
| 0.25 km² | 0.09652554 mi² |
| 0.5 km² | 0.1930511 mi² |
| 1 km² | 0.3861022 mi² |
| 2 km² | 0.7722043 mi² |
| 3 km² | 1.158306 mi² |
| 4 km² | 1.544409 mi² |
| 5 km² | 1.930511 mi² |
| 6 km² | 2.316613 mi² |
| 7 km² | 2.702715 mi² |
| 8 km² | 3.088817 mi² |
| 9 km² | 3.474919 mi² |
| 10 km² | 3.861022 mi² |
| 15 km² | 5.791532 mi² |
| 20 km² | 7.722043 mi² |
| 25 km² | 9.652554 mi² |
| 30 km² | 11.58306 mi² |
| 40 km² | 15.44409 mi² |
| 50 km² | 19.30511 mi² |
| 75 km² | 28.95766 mi² |
| 100 km² | 38.61022 mi² |
| 250 km² | 96.52554 mi² |
| 500 km² | 193.0511 mi² |
| 1,000 km² | 386.1022 mi² |
| 5,000 km² | 1,930.511 mi² |
| 10,000 km² | 3,861.022 mi² |
Unit definitions
What is a square kilometer?
The square kilometre is the area of a one-kilometre square, equal to one million square metres or 100 hectares. It is used for measuring cities, regions, and countries. One square kilometre is about 0.386 square miles.
What is a square mile?
The square mile is the area of a one-mile square, containing 640 acres or about 2.59 square kilometres. It is used for large land areas, counties, and statistical regions in the United States. One square mile is roughly 259 hectares.
Frequently asked questions
How many square miles are in one square kilometer?
One square kilometer equals 0.3861022 square miles (1 km² = 0.3861022 mi²).
How do I convert square kilometers to square miles?
Multiply the value in square kilometers by 0.386102. For example, 10 km² × 0.386102 = 3.861022 mi².
Which is bigger — a square kilometer or a square mile?
A square mile is bigger: one square mile contains 2.58999 square kilometers.
Is this square kilometer to square mile converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.