\( 1 \) acre = \( 43,560 \) sq. feet \(= 0.0040468564224 km^2 \)
\( 1 \) mile = \( 1.60934 km \)
\( 1 \) yard = \( 3 \) feet
\( 1 \) foot = \( 12 \) inches
\(0 ^{\circ} C \) = \( 32 ^{\circ} F \)
\( 1 \) acre = \( 43,560 \) sq. feet \(= 0.0040468564224 km^2 \)
\( 1 \) mile = \( 1.60934 km \)
\( 1 \) yard = \( 3 \) feet
\( 1 \) foot = \( 12 \) inches
\(0 ^{\circ} C \) = \( 32 ^{\circ} F \)