As per 'rule of nine' each lower limb is
Each upper limb is 9% TBSA, Each lower limb 18%, (front 9%, Back 9%)Chest 18% (front 9%, Back 9%)Abdomen 18% (front 9%, Back 9%)The head and neck 9%Perineum 1%Ref: Bailey and love 27e pg: 621
9%
18%
27%
36%
General surgery