<prompt> True regarding thermal injury is all exceptRule of ninesLund-Browder chartBurn index combines depth and areaIn child below 5 years, genitals form 1 of area  <response>: Rule of nine Wallaces formula is used to calculate the area of burn in adults and the Lund-Browder chart is used in children. Burn index combines depth and area to gain insight into prognosis and effectiveness of treatment. In child below 5 years, genital form 0 and head forms maximum area in children. 