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

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


Enter acres or square miles for conversion:
   

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Rounding options:


Conversion Chart / Table
acre to square miles Conversion Chart / Table: square miles to acres Conversion Chart / Table:
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
acre = 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
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 miles = acres
10 = 6400
20 = 12800
30 = 19200
40 = 25600
50 = 32000
100 = 64000
500 = 320000
1000 = 640000
5000 = 3200000

The acre (symbol or abbreviation: ac. or a., plural form: acres) is a unit of area used in several different systems, including Imperial units, English units and United States customary units. One acre = 0.0015625 square miles (mi2) = 4046.85642 square meters (m2)= 0.00404685642 square kilometers = 43560 square feet = 0.404685642 hectares = 4840 square yards = 6272640 square inches.


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

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