acre-square mile conversion

Conversion number between acre [ac] and square mile [sq mi] is 0.0015625. This means, that acre is smaller unit than square mile.

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Switch to reverse conversion:
from square mile to acre conversion

Enter the number in acre:

Decimal Fraction Exponential Expression

[ac]

eg.: 10.12345 or 1.123e5

Result in square mile

precision	[info]
Decimal:	[!]
Exponential:

Calculation process of conversion value

1 acre = (exactly) `(4046.8564224) / (2.589988110336*10^06)` = 0.0015625 square mile
1 square mile = (exactly) `(2.589988110336*10^06) / (4046.8564224)` = 640 acre
? acre × `(4046.8564224 ("m²"/"acre")) / (2.589988110336*10^06 ("m²"/"square mile"))` = ? square mile

High precision conversion

If conversion between acre to square-metre and square-metre to square mile is exactly definied, high precision conversion from acre to square mile is enabled.

Decimal places: (0-800)

acre
Result in square mile:
?

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acre to square mile conversion chart

Start value:	[acre]
Step size	[acre]
How many lines?	(max 100)

visual:

acre	square mile
0	0
10	0.015625
20	0.03125
30	0.046875
40	0.0625
50	0.078125
60	0.09375
70	0.109375
80	0.125
90	0.140625
100	0.15625
110	0.171875

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Multiple conversion

Enter numbers in acre and click convert button.
One number per line.

Converted numbers in square mile:
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Details about acre and square mile units:

Convert Acre to other unit:

acre

Definition of acre unit: ≡ 1 ch × 10 ch = 4840 sq yd = 1⁄640 sq mi. International and US survey acre ≡ 4840 × 0.9144 × 0.9144 = 4046.8564224 m²

Convert Square mile to other unit:

square mile

Definition of square mile unit: ≡ 1 mi × 1 mi. Area equal with 1 mile by 1 mile square =1609.344 x 1609.344 = 2.589988110336×10⁶ m²

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	×10		[ac]