Square Miles to Hectares

Convert square miles (mi²) to hectares (ha) with formulas, examples, and conversion tables.

mi²
ha
1 square miles (mi²) = 258.998811 hectares (ha)
Round to:
Hectares + Sq Meters:258 ha 1e4 sq m
Step-by-Step Solution
1Write the conversion factor:
1 square mile = 258.998811 hectares
2Multiply the value by the conversion factor:
1 × 258.998811 = 258.998811
3Result:
1 square miles (mi²) = 258.998811 hectares (ha)
↔ Hectares to Square Miles

How to Convert square miles to hectares

To convert square miles to hectares, multiply the value by 258.998811.

The Formula

hectares = square miles × 258.998811

Key Fact

1 square mile = 258.998811 hectares

Tip: To convert hectares back to square miles, divide by 258.998811.

square miles to hectares Table

square mileshectares
1 mi²258.998811 ha
2 mi²517.997622 ha
5 mi²1294.994055 ha
10 mi²2589.98811 ha
20 mi²5179.97622 ha
25 mi²6474.970275 ha
50 mi²12949.94055 ha
100 mi²25899.8811 ha
250 mi²64749.70275 ha
500 mi²129499.4055 ha
1000 mi²258998.811 ha

1 square mile in Other Units

Unit1 mi² =
Square Miles to Square Kilometers2.58998811 km²
Square Miles to Hectares258.998811 ha
Square Miles to Square Meters2589988.11 m²
Square Miles to Square Centimeters2.58998811e10 cm²
Square Miles to Square Millimeters2.58998811e12 mm²
Square Miles to Acres639.999434129 ac
Square Miles to Square Yards3097601.33329 yd²
Square Miles to Square Feet27878411.9996 ft²
Square Miles to Square Inches4.01448959948e9 in²
Square Miles to Ares25899.8811 a
Square Miles to Barns2.58998811e34 b

Related Conversions

Square Meters to Square FeetSquare Feet to Square MetersAcres to HectaresHectares to AcresAcres to Square MetersSquare Meters to AcresSquare Kilometers to Square MilesSquare Miles to Square KilometersSquare Feet to Square InchesSquare Inches to Square Feet