Square Mile (mi²)

A square mile (mi² or sq mi) equals 640 acres, 2.59 square kilometers, or 27,878,400 square feet. Square miles measure city sizes, counties, and states in the US. Manhattan is about 23 square miles. One section of land (US survey) equals one square mile.

Convert From Square Miles

square miles to square km Square Mile to Hectare Square Mile to Square Meter Square Mile to Square Centimeter Square Mile to Square Millimeter square miles to acres Square Mile to Square Yard Square Mile to Square Foot Square Mile to Square Inch

Convert To Square Miles

square km to square miles Hectare to Square Mile Square Meter to Square Mile Square Centimeter to Square Mile Square Millimeter to Square Mile acres to square miles Square Yard to Square Mile Square Foot to Square Mile Square Inch to Square Mile

Conversion Factors

1 mi² 2.5899881103 km²

1 mi² 258.99881103 ha

1 mi² 2589988.1103 m²

1 mi² 25899881103 cm²

1 mi² 2.5899881103e12 mm²

1 mi² 640 acre

1 mi² 3097600 yd²

1 mi² 27878400 ft²

1 mi² 4014489600 in²

Related Units

Square Kilometer (km²) Hectare (ha) Square Meter (m²) Square Centimeter (cm²) Square Millimeter (mm²) Acre (acre) Square Yard (yd²) Square Foot (ft²) Square Inch (in²)