# Square Miles to Hectares

This calculator provides conversion of square miles to hectares and backwards (ha to sq mi).

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## Conversion Table

 square mile to hectares Conversion Table: sq mi to ha 1.0 = 258.99881 2.0 = 517.99762 3.0 = 776.99643 4.0 = 1035.99524 5.0 = 1294.99405 6.0 = 1553.99287 7.0 = 1812.99168 8.0 = 2071.99049 9.0 = 2330.9893 square mile to hectares 10 = 2589.98811 20 = 5179.97622 30 = 7769.96433 40 = 10359.95244 50 = 12949.94055 100 = 25899.88110 500 = 129499.4055 1000 = 258998.811 5000 = 1294994.055
 hectares to square miles Conversion Table: ha to sq mi 1.0 = 0.00386 2.0 = 0.00772 3.0 = 0.01158 4.0 = 0.01544 5.0 = 0.01931 6.0 = 0.02317 7.0 = 0.02703 8.0 = 0.03089 9.0 = 0.03475 hectares to square miles 10 = 0.03861 20 = 0.07722 30 = 0.11583 40 = 0.15444 50 = 0.19305 100 = 0.38610 500 = 1.93051 1000 = 3.86102 5000 = 19.30511

The square mile (abbreviation: sq mi. or mi², plural form: square miles) is a unit of area used in several different systems, including Imperial units, English units and United States customary units. One square mile = 640 hectares (ha.) = 2589988.110336 square meters (m2)= 2.589988110336 square kilometers = 27,878,400 square feet = 258.9988110336 hectares = 3,097,600 square yards = 4,014,489,600 square inches.

## Area Conversion

Square feet to square meters (sq ft to sq m)
Square meters to square feet (sq m to sq ft)
Square centimeters to square inches (sq cm to sq in)
Square inches to square centimeters (sq in to sq cm)
Square inches to square decimeters (sq in to sq dm)
Square decimeters to square inches (sq dm to sq in)
Square decimeters to square feet (sq dm to sq ft)
Square feet to square decimeters (sq ft to sq dm)
Square feet to square yards (sq ft to sq yd)
Square yards to square feet (sq yd to sq ft)
Square yards to square meters (sq yd to sq m)
Square meters to square yards (sq m to sq yd)
Square yards to acres (sq yd to ac.)
Acres to square yards (ac to sq yd)
Acres to square feet (ac to sq ft)
Square feet to acres (sq ft to ac)
Square kilometers to acres (sq km to ac)
Acres to square kilometers (ac to sq km)
Acres to square meters (ac to sq m)
Square meters to acres (sq m to ac)
Acres to square miles (ac to sq mi)
Square miles to acres (sq mi to ac)
Square miles to square kilometers (sq mi to sq km)
Square kilometers to square miles (sq km to sq mi)
Square miles to hectares (sq mi to ha)
Hectares to square miles (ha to sq mi)
Hectares to square kilometers (ha to sq km)
Square kilometers to hectares (sq km to ha)
Square meters to hectares (sq m to ha)
Hectares to square meters (ha to sq m)
Square kilometers to square meters (sq km to sq m)
Square meters to square kilometers (sq m to sq km)
Square kilometers to square yards (sq km to sq yd)
Square yards to square kilometers (sq yd to sq km)
Hectares to acres (ha to ac)
Acres to hectares (ac to ha)
Square feet to square centimeters (sq ft to sq cm)
Square centimeters to square feet (sq cm to sq ft)
Square centimeters to square millimeters (sq cm to sq mm)
Square millimeters to square centimeters (sq mm to sq cm)