How many square mil in 1 acre?
The answer is 6272640000000.
We assume you are converting between square mil and acre.
You can view more details on each measurement unit: square mil or
acre
The SI derived unit for area is the square meter.
1 square meter is equal to 1550003100.0062 square mil, or 0.00024710538146717 acre.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square mil and acres.
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A square mil is defined as the area of a square
with sides one mil in length.

The definition of a mil is as follows:

A milliradian, often called a mil or mrad, is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).

Compass use of mils typically rounds 6283 to 6400 for simplification, but here we use the official definition.

››Definition: Acre

An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 m² (for the UK, see). For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 m².

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