Convert square kilometer to square mile
Here you can quickly calculate how many square mile fit in one square kilometer.
Choose unit - From
square kilometer
km²
square hectometer
hm²
hectare
ha
square dekameter
dam²
square meter
m²
square decimeter
dm²
square centimeter
cm²
square millimeter
mm²
square micrometer
µm²
square nanometer
nm²
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Choose unit - To
write a number and we convert instantly
square hectometer
hm²
hectare
ha
square dekameter
dam²
square meter
m²
square decimeter
dm²
square centimeter
cm²
square millimeter
mm²
square micrometer
µm²
square nanometer
nm²
- scroll: formula · table · questions -
- 1 km² = 0.386102 mi²
- 1 mi² = 2.589988 km²
Example: square kilometer to square mile
- 1 square kilometer = 0.386102 square mile
Square kilometer to square mile conversion table
| square kilometer | square mile |
|---|---|
| 1 | 0.386102 |
| 2 | 0.772204 |
| 5 | 1.930511 |
| 10 | 3.861022 |
| 20 | 7.722043 |
| 50 | 19.305108 |
| 100 | 38.610216 |
Square kilometer to square mile formula
To convert square kilometer to square mile, multiply by 0.386102.
1 km² = 0.386102 mi²
Example: 1 square kilometer = 0.386102 square mile
Common area conversion mistakes
-
A hectare is 10,000 m², a 100 × 100 m square, and one square kilometer holds 100 hectares. News stories about wildfires and land plots often mix the two up. Rule of thumb: a football pitch is roughly 0.7 hectares.
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For areas the length factor must be squared, using it directly is the classic trap. 1 km is 1,000 m, but 1 km² is 1,000,000 m², and 1 m² is 10,000 cm². The rule: convert the length unit, then square the factor.
Quick square kilometer and square mile conversion quiz
Score:
0
2.4 square kilometer equals 1.02 square mile.
Correct answer: 2.4 square kilometer = 0.927 square mile.
42 square mile equals 92.5 square kilometer.
Correct answer: 42 square mile = 109 square kilometer.
50 square mile equals 129 square kilometer.
Correct answer: 50 square mile = 129 square kilometer.
13 square mile equals 37 square kilometer.
Correct answer: 13 square mile = 33.7 square kilometer.
More area conversions
- Square mile to square kilometer
- Square kilometer to square hectometer
- Square kilometer to hectare
- Square kilometer to square dekameter
- Square kilometer to square meter
- Square kilometer to square decimeter
- Square kilometer to square millimeter
- Convert square kilometer
- Convert square mile
- Convert Area