Measurement
Imperial units
Metric units
Wingspan
inches
mm
Wing root chord
Wing tip chord
or
Average Wing chord
Model Weight
ounces
grams
Wing Area
sq.in
sq.dm
Total Wing Loading
oz/sq.ft
g/sq.dm
Wing Loading
Loading
Type
10 oz/sq.ft
Glider
15 oz/sq.ft
Trainers
20 oz/sq.ft
Sport Plane
25 oz/sq.ft
Fighters
Wing Loading, Imperial Loading (oz/sq.ft) = Weight(oz) / ( Wingspan(in) * Wing Chord(in) / 144 )
Wing Loading, Metric Loading (g/sq.dm) = Weight(g) / ( Wingspan(mm) * Wing Chord(mm) / 10000 )