Rule of Nines (Burn %TBSA, Adult)

Rapid estimate of total body surface area burned in adults, for fluid resuscitation and referral decisions.

For healthcare professionals.These calculate a score or a measurement from values you enter. They do not diagnose, and they are no substitute for clinical judgement. If you are a patient, discuss any result with your own doctor rather than acting on it.

Head & neck (9%)

Right arm (9%)

Left arm (9%)

Anterior trunk (18%)

Posterior trunk (18%)

Right leg (18%)

Left leg (18%)

Genitalia / perineum (1%)

Enter the values above to see the result.

Source

Pulaski EJ, Tennison CW. A study of the rule of nines in burn injury. Am J Surg. 1943;61(1):102-114.

Shown for reference and checked against the source above. Confirm against current guidance before acting on it, and use your own clinical judgement.

These live inside Kyorit MD too

Specialists get the full set, including dosing and infusion calculators, alongside virtual chambers and board consultations.

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