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Area

Square Miles to Square KM Converter

Convert square mile (mi²) to square kilometer (km²) in one step. One square mile equals 2.59 square kilometers — enter any amount to see the exact result, or use the table below for common values.

Enter the amount in square miles to convert.

Result

1 mi² = 2.59 km²

In square kilometers

2.59

Conversion rate

1 mi² = 2.59 km²

Inverse rate

1 km² = 0.386102 mi²

Conversion table

    1 mi² = 2.59 km²
    2 mi² = 5.18 km²
    5 mi² = 12.9499 km²
   10 mi² = 25.8999 km²
   25 mi² = 64.7497 km²
   50 mi² = 129.499 km²
  100 mi² = 258.999 km²
  250 mi² = 647.497 km²
  500 mi² = 1,294.99 km²
 1000 mi² = 2,589.99 km²

How this was worked out

  1. Step 11 mi² = 2.59 km²
  2. Step 2Multiply: 1 × 2.59 = 2.59
  3. Step 3Result: 2.59 km²

Conversions use exact definitions (for example 1 inch = 25.4 mm exactly), so results are precise rather than rounded mid-calculation.

Formula

Square kilometer = Square mile × 2.59

How it works

  1. 1The conversion factor between square miles and square kilometers is 2.59.
  2. 2Multiply your square miles value by 2.59 to get square kilometers.
  3. 3To convert back, divide by 2.59 — or multiply by 0.386102.

Example

Input

1 mi²

Result

2.59 km²

Frequently asked questions

One square mile equals 2.59 square kilometers.

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