Square Mile to Square Kilometer Converter

Convert square miles to square kilometers instantly with our accurate and easy-to-use conversion tool.

mi²
Result
0km²

Square Kilometer

Conversion Formula

Square Kilometer = Square Mile × 2.589988

Where:

  • mi² = Square Mile
  • km² = Square Kilometer

About Square Mile

The square mile (mi²) is a unit of areain the imperial system of measurement.

About Square Kilometer

The square kilometer (km²) is a unit of areain the metric system of measurement.

How to Convert Square Mile to Square Kilometer

To convert from square miles to square kilometers, use our converter above. Simply enter the value in square milesand get instant results in square kilometers.

Quick Reference:

  • 1 mi² = 2.589988 km²
  • 1 km² = 0.386102 mi²

Common Square Mile to Square Kilometer Conversions

1 mi²
= 2.59 km²
5 mi²
= 12.95 km²
10 mi²
= 25.90 km²
25 mi²
= 64.75 km²
50 mi²
= 129.50 km²
100 mi²
= 259.00 km²

Conversion Reference Table

Square Mile (mi²)Square Kilometer (km²)
12.59
25.18
37.77
410.36
512.9499
1025.8999
1538.8498
2051.7998
2564.7497
50129.4994
75194.2491
100258.9988
250647.497
5001,294.994
1,0002,589.988

Quick reference table showing common square miles to square kilometers conversions.

Real-World Area Conversions

🏠

Real Estate and Housing

Property listings show square footage (US) or square meters (international). A typical 3-bedroom house is 1,500-2,000 sq ft (139-186 m²).

🌾

Land and Agriculture

Farmland is measured in acres (US) or hectares (metric). A football field is about 1.32 acres or 0.53 hectares. Large farms span hundreds or thousands of acres.

🏗️

Flooring and Carpeting

Calculating how much flooring material to buy for rooms. Carpet is sold by square yard, while tile and hardwood use square feet or square meters.

🎨

Painting and Wall Coverage

Paint coverage is specified per gallon (350-400 sq ft) or per liter (10-12 m²). Converting room wall areas helps estimate paint quantities needed.

🧵

Fabric and Textiles

Fabric is sold by the yard (linear) but coverage depends on width. Quilting, upholstery, and sewing projects require area calculations in square inches or square meters.

Parks and Recreation

City parks, golf courses, and sports facilities measure areas in acres or hectares. A standard soccer field is about 1.76 acres (0.71 hectares).

Area Conversion FAQs