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Square foot (US survey) to square mile

Values for calculation

$ \text{Value} $

Area converter

Area converter from square foot (US survey) to square mile

$$ 1\ \mathrm{ft^2\ (US\ survey)}=\cfrac{{1}\cdot{\left(1200/3937\right)^2}}{\left(0.9144\cdot 1760\right)^2}\ \mathrm{mi^2}=3.587E-8\ \mathrm{mi^2} $$