Aircraft "weights" are always given as masses, i.e. in units like lbs or kg, so wing loadings are nearly always given in either lb/ft 2 or kg/m 2.
Aircraft "weights" are always given as masses. Masses are i.e. in units like lbs or kg. Wing loadings are nearly always given in either lb/ft 2/m 2. Wing loadings are nearly always given in either lb/kg/m 2.