Seamlessly switch area units between square miles and square kilometers with our efficient conversion tool at examples.com.
Area Converters to Square Kilometer (sq km)
Area Converters to Square Mile (sq mi)
| Square mile to Square kilometer | Square mile to Square meter | Square mile to Square yard |
| Square mile to Square foot | Square mile to Square inch | Square mile to Hectare |
| Square mile to Acre |
Conversion Factors:
- Square Kilometers to Square Miles: 1 square kilometer = 0.3861 square miles
- Square Miles to Square Kilometers: 1 square mile = 2.5899 square kilometers
How to Convert Square Kilometers to Square Miles:
To convert square kilometers to square miles, multiply the number of square kilometers by 0.3861.
Square Miles=Square Kilometers×0.3861
Example: Convert 50 square kilometers to square miles.
Square Miles=50×0.3861=19.305 square miles
How to Convert Square Miles to Square Kilometers:
To convert square miles to square kilometers, multiply the number of square miles by 2.5899.
Square Kilometers=Square Miles×2.5899
Example: Convert 20 square miles to square kilometers.
Square Kilometers=20×2.5899=51.798 square kilometers
Square Kilometers to Square Miles Conversion Table
| Square Kilometers (km²) | Square Miles (mi²) |
|---|---|
| 1 km² | 0.3861 mi² |
| 2 km² | 0.7722 mi² |
| 3 km² | 1.1583 mi² |
| 4 km² | 1.5444 mi² |
| 5 km² | 1.9305 mi² |
| 6 km² | 2.3166 mi² |
| 7 km² | 2.7027 mi² |
| 8 km² | 3.0888 mi² |
| 9 km² | 3.4749 mi² |
| 10 km² | 3.8610 mi² |
| 20 km² | 7.7220 mi² |
| 30 km² | 11.5830 mi² |
| 40 km² | 15.4440 mi² |
| 50 km² | 19.3050 mi² |
| 60 km² | 23.1660 mi² |
| 70 km² | 27.0270 mi² |
| 80 km² | 30.8880 mi² |
| 90 km² | 34.7490 mi² |
| 100 km² | 38.6100 mi² |
sq km to sq mi Conversion Chart
Square Miles to Square Kilometers Conversion Table
| Square Miles (mi²) | Square Kilometers (km²) |
|---|---|
| 1 mi² | 2.5899 km² |
| 2 mi² | 5.1798 km² |
| 3 mi² | 7.7697 km² |
| 4 mi² | 10.3596 km² |
| 5 mi² | 12.9495 km² |
| 6 mi² | 15.5394 km² |
| 7 mi² | 18.1293 km² |
| 8 mi² | 20.7192 km² |
| 9 mi² | 23.3091 km² |
| 10 mi² | 25.8990 km² |
| 20 mi² | 51.7980 km² |
| 30 mi² | 77.6970 km² |
| 40 mi² | 103.5960 km² |
| 50 mi² | 129.4950 km² |
| 60 mi² | 155.3940 km² |
| 70 mi² | 181.2930 km² |
| 80 mi² | 207.1920 km² |
| 90 mi² | 233.0910 km² |
| 100 mi² | 258.9900 km² |
sq mi to sq km Conversion Chart
Difference Between Square Kilometers to Square Miles
| Aspect | Square Kilometers (km²) | Square Miles (mi²) |
|---|---|---|
| Definition | A square kilometer is an area of 1 kilometer by 1 kilometer. | A square mile is an area of 1 mile by 1 mile. |
| Conversion Factor | 1 km² is equal to approximately 0.3861 mi². | 1 mi² is equal to approximately 2.5899 km². |
| Usage | Commonly used in most countries outside the USA for mapping and geographical purposes. | Predominantly used in the United States and the UK for geographical measurements. |
| Size Perception | Perceived as larger in countries using the metric system. | Often perceived as smaller in countries familiar with the imperial system. |
| Precision | Considered more precise due to the metric system’s decimal-based scaling. | Less precise due to its fractional conversion factors. |
| Common in Science | Widely used in scientific research and publications globally. | Less commonly used in scientific contexts outside the USA. |
| Ease of Calculation | Easier to calculate with other metric units due to the base 10 system. | More complex calculations due to non-decimal system. |
| Cultural Relevance | The preferred unit in international and environmental studies. | More relevant in historical and local contexts within specific countries. |
1. Solved Examples on Converting Square Kilometers to Square Miles
Example 1: Convert 10 km² to square miles.
Square Miles=10 km2×0.3861 mi2/km2=3.861 mi2
Example 2: Convert 25 km² to square miles.
Square Miles=25 km2×0.3861 mi2/km2=9.6525 mi2
Example 3: Convert 47 km² to square miles.
Square Miles=47 km2×0.3861 mi2/km2=18.1467 mi2
Example 4: Convert 75 km² to square miles.
Square Miles=75 km2×0.3861 mi2/km2=28.9575 mi2
Example 5: Convert 100 km² to square miles.
Square Miles=100 km2×0.3861 mi2/km2=38.61 mi2
2. Solved Examples on Converting to Square Miles to Square Kilometers
Example 1: Convert 5 mi² to square kilometers.
Square Kilometers=5 mi2×2.5899 km2/mi2=12.9495 km2
Example 2: Convert 15 mi² to square kilometers.
Square Kilometers=15 mi2×2.5899 km2/mi2=38.8485 km2
Example 3: Convert 30 mi² to square kilometers.
Square Kilometers=30 mi2×2.5899 km2/mi2=77.697 km2
Example 4: Convert 50 mi² to square kilometers.
Square Kilometers=50 mi2×2.5899 km2/mi2=129.495 km2
Example 5: Convert 100 mi² to square kilometers.
Solution: Square Kilometers=100 mi2×2.5899 km2/mi2=258.99 km2
Is the conversion from square kilometers to square miles accurate?
The conversion using the factor of 0.3861 is generally accurate for most practical purposes. However, for highly precise scientific calculations, more decimal places may be needed.
Why is it important to convert square kilometers to square miles?
Converting square kilometers to square miles is important in fields such as geography, real estate, and land management, especially when communicating data to audiences familiar with the imperial system.
Can I use a calculator for converting square kilometers to square miles?
Yes, you can use a calculator to multiply the square kilometers by 0.3861 to get the area in square miles. There are also many online converters available that can perform the calculation instantly.
What is the common error to avoid when converting square kilometers to square miles?
A common error to avoid is neglecting to use the precise conversion factor (0.3861), which can result in significant inaccuracies, especially in large measurements.
Which is bigger 1 square mile or 1 square kilometer?
One square kilometer is larger than one square mile. Specifically, 1 square kilometer equals approximately 0.3861 square miles. This makes the square kilometer significantly larger as it covers more ground area compared to a square mile. The distinction is important in fields like geography and land management, where accurate area measurement is crucial for planning and analysis.