Square Miles (mi2) - Area Conversions
A square mile is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square mile is mi2 or sq mi. A square mile is calculated as the area of a square that has 1 mile on each side.
Select a Conversion
Select one of the square mile conversions below:
- Square Mile to Acre (mi2 to ac)
- Square Mile to Hectare (mi2 to ha)
- Square Mile to Square Centimeter (mi2 to cm2)
- Square Mile to Square Decameter (mi2 to dam2)
- Square Mile to Square Decimeter (mi2 to dm2)
- Square Mile to Square Feet (mi2 to ft2)
- Square Mile to Square Hectometer (mi2 to hm2)
- Square Mile to Square Inch (mi2 to in2)
- Square Mile to Square Kilometer (mi2 to km2)
- Square Mile to Square Meter (mi2 to m2)
- Square Mile to Square Millimeter (mi2 to mm2)
- Square Mile to Square Yard (mi2 to yd2)
Unit Summary
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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