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Convert square km to square miles

1 square kilometer equals 0.38610216 square miles. Enter a value below to convert instantly.

1 km²
0.38610216 mi²

Multiply the number of square kilometers by 0.386102158542 to get square miles. How this is calculated

Copy link puts your number after the #, which browsers never send to a server — but the link itself carries it, so anyone you send it to sees the value. Save keeps the unit pair in this browser only; clear it any time from your saved list.

Need the other direction? Convert square mile to square kilometer →

Formula

Multiply the number of square kilometers by 0.386102158542 to get square miles.

Step by step

  1. Start with 1 km².
  2. Multiply by the conversion factor 0.386102158542.
  3. 1 × 0.386102158542 = 0.38610216 mi².

Square Kilometers to Square Miles conversion table

Square Kilometers (km²) Square Miles (mi²)
1 0.38610216
2 0.77220432
3 1.1583065
5 1.9305108
10 3.8610216
20 7.7220432
50 19.305108
100 38.610216
500 193.05108
1,000 386.10216

Convert Square Kilometer to other area units

1 km² expressed in every other area unit on this site.

  • Square Meter m² 1,000,000
  • Square Hectometer hm² 100
  • Square Dekameter dam² 10,000
  • Square Decimeter dm² 100,000,000
  • Square Centimeter cm² 10,000,000,000
  • Square Millimeter mm² 1,000,000,000,000
  • Square Micrometer µm² 1e+18
  • Square Nanometer nm² 1e+24
  • Hectare ha 100
  • Are a 10,000
  • Square Mile mi² 0.38610216
  • Acre ac 247.10538
  • Square Yard yd² 1,195,990
  • Square Foot ft² 10,763,910
  • Square Inch in² 1,550,003,100
  • Square Mil mil² 1.5500031e+15
  • Circular Inch circ in 1,973,525,200
  • Circular Mil cmil 1.9735252e+15
  • Square Rod rd² 39,536.861
  • Square Perch perch² 39,536.861
  • Square Pole pole² 39,536.861
  • Square Chain ch² 2,471.0538
  • Rood rood 988.42153
  • Section section 0.38610216
  • Township township 0.01072506
  • Homestead homestead 1.5444086
  • Sabin sabin 10,763,910
  • Square Mile (US survey) mi² (US) 0.38610061
  • Acre (US survey) ac (US) 247.10439
  • Square Foot (US survey) ft² (US) 10,763,867
  • Square Rod (US survey) rd² (US) 39,536.703
  • Barn b 1e+34
  • Electron Cross Section σₑ 1.5032036e+34
  • Arpent (area) arpent 292.49234
  • Cuerda cuerda 254.42731
  • Plaza plaza 156.25
  • Varas Castellanas Cuad vara² (cast) 1,431,153.6
  • Varas Conuqueras Cuad vara² (con) 159,017.07
  • Pyeong 평 302,500
  • Hop (area) 홉 3,025,000
  • Jak (area) 작 30,250,000
  • Myo 무 10,083.333
  • Danbo 단보 1,008.3333
  • Jeongbo 정보 100.83333

About the square kilometer

The square kilometer (km²) is a SI unit of area.

About the square mile

The square mile (mi²) is a Imperial unit of area.

Where this conversion is used

Converting square kilometers to square miles comes up when real estate, flooring, land plots, gardens, and paint coverage.

Related conversions

Frequently asked questions

How many square miles are in a square kilometer?

One square kilometer equals 0.38610216 square miles.

How do you convert square kilometers to square miles?

Multiply the number of square kilometers by 0.386102158542 to get square miles.

What is 1 square mile in square kilometers?

One square mile equals 2.5899881 square kilometers.

When would I convert square kilometers to square miles?

This conversion is common when real estate, flooring, land plots, gardens, and paint coverage.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.