Convert square millimeter [mm^2] to square mile (US survey) Online | Free area Converter

Square Millimeter [mm²]


A square millimeter (mm²) is a unit of area equal to a square with sides 1 millimeter long. It is used to measure very small surfaces, such as parts of mechanical components or electronic circuits.

1 mm² = 0.000001 m².


Square Mile (US Survey)


The square mile (US survey) is a unit of area used in the United States for land measurement based on the US survey foot. It represents a square with sides 1 mile long, where a mile is defined using the survey foot rather than the international foot.


1 US survey mile = 5,280 US survey feet

1 square mile (US survey) ≈ 2.589998 km² (slightly different from the international square mile of 2.59 km²)


This unit is mostly used in land surveying and mapping within the US.



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