Here are some ways to estimate how much of the body is burned in a baby or young child.

• The palm of the child's hand equals 1% of the body's surface area. Using the child's palm is a good way to estimate the size of a small burn.
• The total surface of the head plus the neck is 21% of the body's surface area.
• The total surface of one arm and hand is 10%.
• The total surface of the chest plus the belly is 13%.
• The back is 13%.
• The buttocks are 5%.
• The total surface of one leg and foot is 13.5%.
• The groin area is 1%.