Convert Square Kilometer to Square Mile
0.3861
≈ 25/64 mi²
1 km² = 0.38610039 mi²
Use the conversion factor 1 km² = 0.3861003861 mi². To convert Square Kilometer to Square Mile, multiply the input value by 0.3861003861.
Conversion Formula
mi² = km² × 0.3861
Reverse: km² = mi² × 2.59
Conversion Examples
1 km² × 0.38610039 =
0.38610039 mi²
1 Square Kilometers = 0.38610039 Square Miles
5 km² × 0.38610039 =
1.9305019 mi²
5 Square Kilometers = 1.9305019 Square Miles
10 km² × 0.38610039 =
3.8610039 mi²
10 Square Kilometers = 3.8610039 Square Miles
25 km² × 0.38610039 =
9.6525097 mi²
25 Square Kilometers = 9.6525097 Square Miles
50 km² × 0.38610039 =
19.305019 mi²
50 Square Kilometers = 19.305019 Square Miles
100 km² × 0.38610039 =
38.610039 mi²
100 Square Kilometers = 38.610039 Square Miles
Square Kilometer to Square Mile Table
km² =—mi²
| Square Kilometer (km²) | Square Mile (mi²) | Fraction |
|---|---|---|
| 1 | 0.3861 | 25/64 |
| 6 | 2.3166 | 2 5/16 |
| 11 | 4.2471 | 4 1/4 |
| 16 | 6.1776 | 6 11/64 |
| 21 | 8.1081 | 8 7/64 |
| 26 | 10.0386 | 10 1/32 |
| 31 | 11.9691 | 11 31/32 |
| 36 | 13.8996 | 13 29/32 |
| 41 | 15.8301 | 15 53/64 |
| 46 | 17.7606 | 17 49/64 |
| 51 | 19.6911 | 19 11/16 |
| 56 | 21.6216 | 21 5/8 |
| 61 | 23.5521 | 23 35/64 |
| 66 | 25.4826 | 25 31/64 |
| 71 | 27.4131 | 27 13/32 |
| 76 | 29.3436 | 29 11/32 |
| 81 | 31.2741 | 31 9/32 |
| 86 | 33.2046 | 33 13/64 |
| 91 | 35.1351 | 35 9/64 |
| 96 | 37.0656 | 37 1/16 |
Unit Definitions
What is a Square Kilometer (km²)?
Metric (SI)Worldwide
Square Kilometer (km²) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about Square KilometerWhat is a Square Mile (mi²)?
ImperialUnited States, United Kingdom
Square Mile (mi²) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about Square MileFrequently Asked Questions
How do I convert Square Kilometer to Square Mile?
Multiply the value in km² by 0.3861003861. The formula is mi² = km² × 0.3861003861.
How many Square Mile are in 1 Square Kilometer?
One Square Kilometer equals 0.3861003861 mi².
What is 100 km² in mi²?
100 km² equals 38.61003861 mi².
How do I convert Square Mile back to Square Kilometer?
Use the reverse factor: 1 mi² = 2.59 km².