// multi-utility computation suite · offline · instant · precise
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health.burn-area-rule-of-nines Calculator
Calculates total body surface area (TBSA) burned using the Rule of Nines, and computes Parkland formula resuscitation fluid volume for the first 24 hours. Parkland formula: 4 mL × kg × %TBSA of IV crystalloid in 24h (half in first 8h) — the standard initial burn resuscitation guideline.
Inputs
Head Pct
Reference formula or conversion factor shown for context.
Trunk Ant Pct
Reference formula or conversion factor shown for context.
Arm Left Pct
Reference formula or conversion factor shown for context.
Leg Right Pct
Reference formula or conversion factor shown for context.
Results
TBSA burned (%)
BSA (body surface area) -- total skin surface in m2. Estimated by the Mosteller or DuBois formula. Used for chemotherapy dosing, burn assessment, and cardiac indices.
Parkland fluid (first 24hr, 70kg)
First-24-hour IV fluid volume (4 mL × weight kg × % TBSA burned). Half given in the first 8 hours post-injury, the rest over 16 hours. Critical for preventing burn shock.
first 8hr fluid
Reference formula or conversion factor shown for context.
rule of 9s
Reference formula or conversion factor shown for context.
major burn
Sample size or count used in the calculation.
Parkland: 4mL × kg × TBSA%
BSA (body surface area) -- total skin surface in m2. Estimated by the Mosteller or DuBois formula. Used for chemotherapy dosing, burn assessment, and cardiac indices.