<prompt> Rule of 9 in burns is used to denote :Depth of burnsTotal body surface area involvedSeverity of burnsType of burns  <response>: For total body surface area of burns in adults: Rule of Wallace or Rule of nine 9 for each upper limb 9 each for the front and back of each lower limb, 9 for the front and back of chest, 9 for the front and back of abdomen, 9 for the head and neck and 1 for the perineum OTHER METHODS: Use of patients hand -The area of the back of the patients hand is approximately 1 of their total body surface area. The number of hands that equal the area of the burn can approximate the percentage of body surface area burned. Lund-Browder burn diagram- This allows an accurate age-adjusted determination of burn size for a given depth, allowing for the anatomical differences of children. NOTE: Lund-Browder cha method is a most precise method for estimation of burn area. 