 There are a number of methods to determine the TBSA , including the Wallace rule of nines , Lund and Browder chart , and estimations based on a person 's palm size . The rule of nines is easy to remember but only accurate in people over 16 years of age . More accurate estimates can be made using Lund and Browder charts , which take into account the different proportions of body parts in adults and children . The size of a person 's handprint ( including the palm and fingers ) is approximately 1 % of their TBSA . 
 <a href='dey_it' title='1'><mark>There</mark></a> are a number of methods to determine the TBSA , including the Wallace rule of nines , Lund and Browder chart , and estimations based on a person <a href='null_genetive' title='2'><mark>'s</mark></a>palm size . The rule of nines <a href='drop_aux' title='3'><mark>is</mark></a>easy to remember but only accurate in people over 16 years of age . More accurate estimates can be made using Lund and Browder charts , which take into account the different proportions of body parts in adults and children . The size of a person <a href='null_genetive' title='4'><mark>'s</mark></a>handprint ( including the palm and fingers ) <a href='drop_aux' title='5'><mark>is</mark></a>approximately 1 % of their TBSA . 
It is a number of methods to determine the TBSA , including the Wallace rule of nines , Lund and Browder chart , and estimations based on a person  palm size . The rule of nines easy to remember but only accurate in pple over 16 years of age . More accurate estimates can b made using Lund and Browder charts , which take into account da different proportions of body parts in adults and children . Tdasize of a person  handprint ( including the palm and fingers ) approximately 1 % of their TBSA .