3. Rule of 9’s

The rule of 9% is used to estimate the extent of a burn.
 

Percentage of Body Surface in an Adult:

Head and Neck       9%

Upper torso         9%     (Also posterior 9%)
Mid  torso          9%     (Also posterior 9%)
Upper limbs         9%     (Each)
Lower limbs        18%     (Each)
Perineum            1%

 

Percentage of Body Surface in a Child:

Head and Neck      18%

Upper torso         9%     (Also posterior 9%)
Mid  torso          9%     (Also posterior 9%)
Upper limbs         9%     (Each)
Lower limbs        14%     (Each)

 

Rule of Palm:

Each palm is approximately 1% of Body Surface.

 

 

 

http://en.wikipedia.org/wiki/Burn

http://en.wikipedia.org/wiki/Total_body_surface_area