Daily Unit Converter

Area converter

Square Mile Converter

Convert square miles to square kilometers for cities, regions, and large land areas.

From
To

Result

2.589988 km²

1 mi² = 2.589988 km²

Also equals

2,589,988.110336m²
27,878,400ft²
640ac
258.998811ha
2.589988km²
3,097,600yd²

Conversion formula

km² = mi² × 2.58998811034

1 square mile equals 2.5899881 km².

Square Mile to Square Kilometer table

Square Mile (mi²)Square Kilometer (km²)
0.010.02589988
0.10.25899881
12.58998811
25.17997622
37.76996433
512.94994055
1025.8998811
2051.79976221
50129.49940552
100258.99881103
1,0002,589.98811034

About this conversion

This converter uses the displayed definition for square mile and its recognized relationship to square kilometer. Calculations retain full precision internally, and only the visible result is rounded. Regional land units can vary, so use the labeled definition that matches the relevant jurisdiction.

Convert Square Mile to other area units

Square Mile to Square MillimeterSquare Mile to Square CentimeterSquare Mile to Square MeterSquare Mile to Square KilometerSquare Mile to Square InchSquare Mile to Square FootSquare Mile to Square YardSquare Mile to AcreSquare Mile to HectareSquare Mile to AreSquare Mile to CentSquare Mile to DecimalSquare Mile to GunthaSquare Mile to Ground (2,400 ft²)Square Mile to Kanal (5,445 ft²)Square Mile to Marla (272.25 ft²)Square Mile to Bigha (Bangladesh)Square Mile to Katha (Bangladesh)Square Mile to ShotangshoSquare Mile to RoodSquare Mile to Survey TownshipSquare Mile to Barn

Frequently asked questions

How is Square Mile defined here?+

Square Mile is treated as 2,589,988.1 square meters. The displayed definition is used consistently in both directions.

Can regional land units vary?+

Yes. Regional units can vary by country and locality. Always choose the labeled definition that matches the relevant land record or jurisdiction.

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