Burn TBSA (Rule of Nines, Age-Adjusted)

Estimates total body surface area burned (%TBSA) by the age-adjusted Rule of Nines, as an upstream input to fluid-resuscitation and severity calculators; a rapid estimate — use Lund-Browder for accuracy, especially in children.

Age group (sets the regional weight schedule)

Head & neck involved (% of region, 0–100)

Left arm involved (% of region, 0–100)

Right arm involved (% of region, 0–100)

Anterior trunk involved (% of region, 0–100)

Posterior trunk involved (% of region, 0–100)

Left leg involved (% of region, 0–100)

Right leg involved (% of region, 0–100)

Genitalia / perineum involved (% of region, 0–100)