Parkland formula
4 x (weight in kilograms) x (percentage total body surface area affected).
Half of this volume is given over the first eight hours; the remainder is given over the next sixteen hours.
Burns, Rule of 9’s for Adults:
9% for each arm (4.5 per side) 18% for each leg (9 per side) 9% for head (4.5 per side) 18% for front torso 18% for back torso