Convert Square Kilometer to Square Mile
Enter a value in Square Kilometer to see it instantly in Square Mile, or use the reverse converter below.
Square Kilometer
Definition: The area of a square with 1-kilometer sides.
Current use: Used for city, country, and large geographic areas.
Square Mile
Definition: The area of a square with 1-mile sides.
Current use: Used in the US and UK for large land areas and population density.
Square Kilometer to Square Mile Conversion Table
| Square Kilometer [km²] | Square Mile [mi²] |
|---|---|
| 0.01 km² | 0.0038610216 mi² |
| 0.1 km² | 0.0386102159 mi² |
| 1 km² | 0.3861021585 mi² |
| 2 km² | 0.7722043171 mi² |
| 3 km² | 1.1583064756 mi² |
| 5 km² | 1.9305107927 mi² |
| 10 km² | 3.8610215854 mi² |
| 20 km² | 7.7220431708 mi² |
| 50 km² | 19.3051079271 mi² |
| 100 km² | 38.6102158542 mi² |
| 1000 km² | 386.1021585424 mi² |
How to Convert Square Kilometer to Square Mile
1 mi² = 2.5899881103 km²
Example: convert 1 km² to mi²:
Square Mile to Square Kilometer Conversion Table
| Square Mile [mi²] | Square Kilometer [km²] |
|---|---|
| 0.01 mi² | 0.0258998811 km² |
| 0.1 mi² | 0.258998811 km² |
| 1 mi² | 2.5899881103 km² |
| 2 mi² | 5.1799762207 km² |
| 3 mi² | 7.769964331 km² |
| 5 mi² | 12.9499405517 km² |
| 10 mi² | 25.8998811034 km² |
| 20 mi² | 51.7997622067 km² |
| 50 mi² | 129.4994055168 km² |
| 100 mi² | 258.9988110336 km² |
| 1000 mi² | 2589.988110336 km² |
Quick Estimate
For a quick mental estimate, 1 km² is about 0.39 mi², and 1 mi² is about 2.6 km². Use the exact calculator above when accuracy matters, such as for money, medicine, engineering or anything you will buy or sell.
Frequently Asked Questions
How many Square Mile are in 1 Square Kilometer?
1 Square Kilometer (km²) equals 0.3861021585 Square Mile (mi²).
How do I convert Square Kilometer to Square Mile?
Multiply the value in km² by 0.3861021585 to get mi². To go the other way, multiply mi² by 2.5899881103.
What is 10 Square Kilometer in Square Mile?
10 km² = 3.8610215854 mi².
What is 100 Square Kilometer in Square Mile?
100 km² = 38.6102158542 mi².
What is a Square Kilometer?
The area of a square with 1-kilometer sides. Used for city, country, and large geographic areas.
What is a Square Mile?
The area of a square with 1-mile sides. Used in the US and UK for large land areas and population density.
How many Square Kilometer are in 1 Square Mile?
1 Square Mile (mi²) equals 2.5899881103 Square Kilometer (km²).
Popular Area Conversions
- Square Foot to Square Meter
- Square Meter to Square Foot
- Marla to Square Foot
- Kanal to Marla
- Marla to Square Meter
- Kanal to Square Foot
- Acre to Square Foot
- Acre to Hectare
- Hectare to Acre
- Acre to Kanal
- Square Yard to Square Foot
- Square Foot to Marla
Convert Square Kilometer to Other Area Units
- km² to mm²
- km² to cm²
- km² to m²
- km² to ha
- km² to in²
- km² to ft²
- km² to yd²
- km² to marla
- km² to kanal
- km² to ac
Convert Other Area Units to Square Mile
- mm² to mi²
- cm² to mi²
- m² to mi²
- ha to mi²
- in² to mi²
- ft² to mi²
- yd² to mi²
- marla to mi²
- kanal to mi²
- ac to mi²
Open the full Area converter and see every unit →