square miles to acres (sq mi to ac) and ac to sq mi (acres to square mile) Online Conversion Calculator - Converter / Chart / Table
Convert square miles to acres
(sq mi to ac)
and acres to square miles
(ac to sq mi)
Online Conversion Calculator - Converter

This calculator-converter provides conversion of square miles to acres (sq mi to ac) and backwards acres to square miles (ac to sq mi).


Enter square miles or acres for conversion:
   

Select conversion type:


Rounding options:


Conversion Chart / Table
square mile to acres Conversion Chart / Table: acres to square miles Conversion Chart / Table:
sq mi = ac

1.0 = 640
2.0 = 1280
3.0 = 1920
4.0 = 2560
5.0 = 3200
6.0 = 3840
7.0 = 4480
8.0 = 5120
9.0 = 5760
square mile = acres

10 = 6400
20 = 12800
30 = 19200
40 = 25600
50 = 32000
100 = 64000
500 = 320000
1000 = 640000
5000 = 3200000
ac = sq mi

1.0 = 0.00156
2.0 = 0.00313
3.0 = 0.00469
4.0 = 0.00625
5.0 = 0.00781
6.0 = 0.00938
7.0 = 0.01094
8.0 = 0.01250
9.0 = 0.01406
acres = square miles
10 = 0.01563
20 = 0.03125
30 = 0.04688
40 = 0.06250
50 = 0.07813
100 = 0.15625
500 = 0.78125
1000 = 1.56250
5000 = 7.81250

The square mile (symbol or 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 acres (ac.) = 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.


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square miles to acres (sq mi to ac) and ac to sq mi (acres to square mile) Online Conversion Calculator - Converter / Chart / Table

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