Square Mile to Square Kilometer Converter
Convert Square Miles to Square Kilometers
Quick Conversions
How to Convert Square Miles to Square Kilometers
To convert from square miles (mi²) to square kilometers (km²), you multiply the area in square miles by 2.58999. For more information about square miles as a unit of measurement, visit our square miles page.
Formula
Square Kilometers = Square Miles × 2.58999
or
km² = mi² × 2.58999
Step-by-step process
- Take the area in square miles.
- Multiply it by 2.58999.
- The result is the equivalent area in square kilometers.
Examples
- 0.001 mi² = 0.001 × 2.58999 = 0.00258999 km²
- 0.01 mi² = 0.01 × 2.58999 = 0.0258999 km²
- 0.1 mi² = 0.1 × 2.58999 = 0.258999 km²
- 1 mi² = 1 × 2.58999 = 2.58999 km²
When to Convert Square Miles to Square Kilometers
This conversion is useful for converting very large land areas from imperial units to metric units for international comparisons or scientific applications.
Geography and Cartography
Square kilometers are the standard unit for measuring the area of countries, cities, and other large geographical features in most parts of the world.
Environmental Science
Environmental studies often involve analyzing large areas of land, such as ecosystems or conservation areas, where square kilometers are a suitable unit.
Common Square Miles to Square Kilometers Conversions
Here is a table of common conversions for quick reference:
| Square Miles (mi²) | Square Kilometers (km²) | Square Miles (mi²) | Square Kilometers (km²) |
|---|---|---|---|
| 0.001 | 0.00259 | 1 | 2.58999 |
| 0.002 | 0.00518 | 2 | 5.17998 |
| 0.005 | 0.01295 | 5 | 12.94995 |
| 0.01 | 0.0259 | 10 | 25.8999 |
| 0.02 | 0.0518 | 20 | 51.7998 |
| 0.05 | 0.1295 | 50 | 129.4995 |
| 0.1 | 0.259 | 100 | 258.999 |
Frequently Asked Questions
How many square kilometers are in a square mile?
There are approximately 2.58999 square kilometers in a square mile.
How do I convert square kilometers to square miles?
To convert from square kilometers to square miles, you divide the area in square kilometers by 2.58999. For example, 10 km² is equal to 10 / 2.58999 = 3.861 mi².